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Pointe Garperontpnio4y HotegAek Your TencheRorold navinotectanquiai Coeection 2,00 cm 3.00 cm) andhinnc Fdis 425 cm consiat huma wiro that catrics 5inusc da Durtont Ima sin @t Frecuency 0/2n 60.0 Hza coitnat contiste 20 turns Wnit Gth tho torola 5non the iigure Dctermningtht cmf induccd Rhc col Wnclon oltimc: Wt

pointe Garperontpnio 4y Hoteg Aek Your Tenche Rorold navino tectanquiai Coeection 2,00 cm 3.00 cm) andhinnc Fdis 425 cm consiat huma wiro that catrics 5inusc da Durtont Ima sin @t Frecuency 0/2n 60.0 Hza coitnat contiste 20 turns Wnit Gth tho torola 5non the iigure Dctermningtht cmf induccd Rhc col Wnclon oltim c: Wt



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The size of the face of a dancer is $24 \mathrm{~cm} \times 16 \mathrm{~cm}$. The minimum size of a plane mirror required to see the face of dancer completely by: (i) one eyed dancer. (ii) two eyed dancer. (Distance between the eyes is $4 \mathrm{~cm}$.) (a) (i) $12 \times 8 \mathrm{~cm}^{2}$ (b) (i) $8 \times 10 \mathrm{~cm}^{2}$ (ii) $12 \times 6 \mathrm{~cm}^{2}$ (ii) $12 \times 2 \mathrm{~cm}^{2}$ (c) (i) $10 \times 12 \mathrm{~cm}^{2}$ (d) (i) $12 \times 2 \mathrm{~cm}^{2}$ (ii) $9 \times 8 \mathrm{~cm}^{2}$ (ii) $6 \times 13 \mathrm{~cm}^{2}$

Okay. So for this question we are falling the format of previous at least 20 emotions. So in this we have to divide the given numbers and round off them to the provided significant digits. We have 26 divided by 10.1. The answer is 2.574-6 centimeter And we need to run them off up to three significant digits. So the answer will be 2.5 seven centimetre Production be we have 9.95 Single .15. The answer is 66.333. And uh two significant digits round off. So the answer will be 66cm options See? And we have 131.78 divided by 19.25. We have something with a square sending medium and the answer is well sending me the square can be reached and a centimeter multiplied with centimeter cancel this out 6.845 71 And in this question we can round off to four significant digits, so the answer will be 6.84 six centimeter square. We want to option D. We have 131.78 centimeter cube, Divided by 19.2 Centim. This God! This was too. The answer is 6.86354 sending me a square, And we have to run them about 23 significant digits. So the answer will be 6.8 six, sending his foot.

As we all know that the angle of object is equal to us by our as is the our plant and r. Is the radius. So I can write the value of S. Is equal to trita multiplication. Are but here are mm. Each given add just look at it carefully 60 centimeter. Now the value of twitter is given at 7.5 revolution. So changing it in radiant, I just multiply it by this value. So finally I get the value of T. To add crypt in pie radiance. Now we can write the value of assad As is equal to 60 centim multiplication. 15 provided Ian so finally I get the value of assad 2826 centimeter. So changing 18 m. I just multiply it by this value. So finally I get s. is equal to 28.6 cents 28.6 meter. As our final answer for this problem.

We need to find the radius R. Formula is S. Is equal to our times data, but data needs to be in radiance. So we need to convert 45 degrees into radiance but multiplied by pi over 100 and 80. So we have 45 divided by 180. This becomes pi over four. So this is Pi over four. So we have s which is 200 is able to are, we don't know Times Pi over four. So we're gonna multiply both sides by four. So we get 800 is equal to our times pi and we're gonna divide both sides by pi. So 800 divided by pi Becomes 254.65 is equal to our radius and our units are centimetres.

Yeah. Yeah. For part A. We're looking for the length of segment A. B. Of this triangle. And we can use the loft signs. But first we need to calculate this angle for a. What is angle A. Well we know that the some of the angles of a triangle or 100 and 80 degrees. So A. Is going to equal 180 degrees minus 39 degrees minus 62 degrees. And that equals 79 degrees. So 79 degrees. For angle A suck this. Sure. So I can do for a bee. I can do a direct application of the law of sines. We can say that the sign of 62 degrees. It's this angle down here over A B segment A. B. Is going to equal the sign of 79 degrees. Which we just calculated over the length of the base 2500 meters and calculate A. B will equal 2500 times the sine of 62 degrees divided by the sine of 79 degrees I and A B equals 2249 m for B. We need to calculate the distance A. C. So we'll use the same procedure, but instead of using 62 degrees will use 39 degree angle. So we can say the sign of 39 degrees over A. C. Is equal to same thing as before, 79 degrees over 2500 m. A. C equals 2500 times the sine of 39 degrees divided by the sine of 79 degrees and A C. Do the punch those numbers into the calculator and you get 1000 603 meters for A. C. And finally, yeah, we need to find the height. The distance from the base up to point A is going to be the haif. So let's just draw another triangle. Over here. We had 39 degrees. Just it would just the information we need. H. And A. B will use to to 49 m. And we can just use a trigger geometric ratio to get the Haif, which is the answer for C. So we can say that the sign of 39 degrees, it's going to equal the opposite, which is H over the Hipaa Tennis 2249 m and calculate that out to be 1415 m.


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