naythu
sho·@khinmgsawwin·
0.000 HBDnaythu
Trigonometric Ratios and Their Application
1. If we convert 135° to radian measure, we get
A.3π/4 B.3π/2 C.π/4 D.π/2 E.(3+π)/2
2. 75° in radian measure is
A.π/75 B.75/π C.5π/12 D.12π/5 E.π/30
3.An arc PQ subtends an angle 60° at the centre O of radius 3 cm. The area of the sector POQ is
A. 270 〖cm〗^2 B. 3/2
5. OAB is a sector of a circle with centre O, radius 8 cm and a perimeter 22 cm. Then the area
of sector, in square cm is
A. 6 B. 28 C. 24 D. 48 E. 12
6. The area , in cm2 , of a circle has the same numerical value as the circumference, in cm, of
the same circle. The radius , in cm, is
A. 2 B. 1 C.2/π D.1/π E.1/2
7. An arc PQ subtends an angle of 120° at the centre of a circle of radius 1 cm. The length of
arc PQ is
A. 120 cm B. 60 cm C. π/6cm D. 2π/3cm E.π^2/18 cm
8. If the central angle of a circle of radius 14 cm cuts off an arc of length 28 cm , then the radian
measure of the angle is
A. 2√2 B.2 C.1 D. 4 E. 8π
9. The pendulum on a clock swings through an angle of 2 radians, and the tip sweeps out and
arc of 6 inches. Then the length of the pendulum is
A. 3 inches B. 12 inches C. 24 inches D. 12/π inches E. 24/π inches
10. The area of a sector of a circle is 143 cm2and the length of the arc of the sector is 11 cm .
Then the radius , in cm, of the circle is
A. 11 B.13/2 C.26 D. 13 E. None of these
11. The figure shows a sector OMN of a circle at centre O with the radius r = 6 cm and a
perimeter of 16 cm . The area of sector MON = ………
A. 24〖cm〗^2 B. 36〖cm〗^2 C. 15〖cm〗^2 D.12〖cm〗^2 E. 9〖cm〗^2
12.An arc BC subtends an angle of 144° at the centre O if a circle of radius 10 cm . Then the
length of arc BC is
A.25/2π B.25/2 π C.8/π D.π/8 E. 8π
13.If sin〖20°=x 〗then cos〖70°〗is
A.x B.x^2-1 C. 1-x D.1 +x E. √(1-x^2 )
14.If sin θ= 1/3 and θ is acute, then cos θ=……….
A.√3/2 B.1/2 C.√2/3 D.√8/3 E.2/√3👍 hdu, airron, airnavy81, sanaungmoe, kyarlay, lwinlwin, yeyene, kagyi87, lkhant773, ngelay38, eilayy, thuyalay17, eithuzarnaing, laynge88, josephno, soegyi, doegyi, thuthuzar, layphyu18, moezaw2, pepu204, bokyaw, chitwiine, winewiine, mawaung, yekyaw, aungkhant191, kyawthaung, thunaing, jhonsep, sophialay, jealeon, santhwe, eizazanaing, sinma129, thuzar868, kyargyi, phyulay, aungko118, aungzin45, bobbysossorr, chitchit557, gyizaw, gange6, gyinay, gyimaw, khaingkyaw, khantko130, khinwint, kokhant141, kyawaung121, kyawbo, laybyay, luwai, nayye, myintmyat460, moemyint766, nayzwe, nayang460, nganga285, saloneo, sanyati510, sofiajoe, stearjohn, bengun, stearjack, speroken, wailaa, yeaung147, zagwe, yeko983, moelwin71, sthinzar, myo.sandi, aungkyaw57, konaw34, khinlay4, zarzar78, zinyaw89, thaw.zin, ngelay76, moemyint34, koaung78, khinlay89, myosandi67, thuzar34, moezet67, kotoe94, soegyi2019, winko2019, nainglay, theintun86, linmyatthu, khinlay1, wuthmon, shweyi, moemyint1, eizar78, yati78, kyarphyu90, sanaung84, khinmoe23, yeye8924, nankhin390, khinzayar, nanzayar, pannu67, nizaw509, khinmaung68, khinaung637, tinmow291, phyuphyu260, mgmoe316, laymyint620, kyawthein420, thazin922, chitthuwai, mgthawka9, laynge575, pawlay990, khinmaunglay47, laylaymyint6, khinmggyi8, kyawthu703, naythu562, puaung, shweyeeoo34, yepook, shweoo7, thuzarlin89, shwesu67, thanpu, pepu478, chocho78, aungmyo78, naunglay78, khaingmyethar, kyawkhaing313, pansandar, aunglinko, lsinelu, mgtharlay, khinmglay67, naythurein78, athelay, mgkyaw879, marlwin724, laylaymu23, kyawkyawbo67, naytoe86, naymin642, nayaung662, khinmaung89, myintaung951, khinmglay89, yadanamaing, thuthu12, moethuzar12, toelay56, maungmoe81, nyominlwin78, thetnaingoo7, hlahlawin49, tinmoelwin67, malaymamu, pauksa57, jacksonoskele, maliakafaiza, thewb, thurrein, thureintun, albertotang, gyika, khayephyu, linkha, thuya, wonyan, linmyatoo, thidawin87, khinmoe34, htaykhin55, khinmuyar, naingwin78, winnaing46, tinnaing78, memepook, ngapauk, winmaw33, mamelai, amelgyi, aungkaungman, zwepainghtet78, theingilwin54, tunmyatlin, kyawhtutswe, kyawmoe67, htunlin, aunglinmyat, moekyawkyaw56, tunaungkyaw68, saisaimaw, hteesai, myominkyaw, heinminkyaw, yanmyoaung56, aungkyawtun57, tunaungkyaw66, aungtunkyaw, tunkyawaung, mayshinmon, naythuzaw, aungthantmin, aungmoe105, aung.toe, aungsoe80, aunjgnoe, aungkhantmin, thanthanmu, arpello, moemyintthuzin, panthitsa782, khinmuyarchaw, kothawpu, khinmgsawwin, nawzaw, lwinlwinthant, thinzarsoe, kophyi, khinsusunaing, nayzwe5, naynaythurein, nayyeeoo, khinphyo, khinlay, khinhtay, khinaye, naytoelwin, soepyae791, pankar, khinyupa, dinekhinkhin, chawkay, strawlone, jhonsmst, pwintphue, natthar375, ntamee, wahngu, kyawhmue, meechaw, skaung, kaungmin753, minsat207, thiri585, phyukhin043, trtfitnesstun, aungkyawoo, shwepookk, moemoegyi, linaung, linhtut, tinaunglay, tinaunggyi, tinaunglat, khinlaynwe, moelin, moethin, moehnin, nayye7, nayzwee, leizarchi, santhawra, khinlaymu, winmaung, khinsanwai, chochowin, phoephyu, sansanwin, khinmoewai, khintook, khintoke, khinpoke, thinthinmu, thidaaye, khinthanhtay, sanyatilin, tinwintun, sanyatii, naweillay, chitoonyo, pannukhin, linlintunn, lwintoe, naylinoo8, thuzin, soepyay, khinthuzarphyo, sunmintun, zarzarkhaing, khinlaynwenwe, eithurein, khinmgtoe, thinthinphyo, mayshinmo, kyawkyawboo, myatminn, tinzarwintkyaw, digearphyo, winmoethat, yeyepook, maybarithaw, thuzartunn, htinkyaw, linmyatoo8, minthantzin, moemoe649, zinthulwin, zinmoethu, tharlat, tharngelay, mayiaye, winsan, chitchti, nadihlaing, polarbeats,