Show that the ratio of the volumes of the two regular square pyramids tan 40° shown above is tan 80° 40° 80° 10 10 10 10 Ex. 28

Q: 40 11. 1450 106° 11. х

A: Given,

Q: 50° 62° Column A Column B 1. a. 50 y%3D b. 25 C. 62 d. 124 e. 31 f. 100 g. 248 2. 3.

A: We have to find x y z

Q: 4. 15° 33 67

A:

Q: 45 8/9 2. 3X1

A:

Q: 28.5 27 24 Find mZx 61.5 Find

A: We know that sinθ=Opposite sideHypotensuesin(x°)=2427x=sin-1(2427)x=62.73°

Q: 7. 130° 150° ఆి

A:

Q: Jack lives 460 miles from New York, where he wants to visit. He plans to take the bus and then take…

A: Given query is to find the distance traveled by bus.

Q: y 9. 45° : 92 9/2 :: 2. 1.

A:

Q: 14. FE = ED=_ 15. GI= HI = 6 30° 60° F 60% 3

A:

Q: H. B. 53° G 61° 24 74° F E 9.ZAOB %3D 10. ZCOD 11. ZEOF 12. ZAOH %3D

A:

Q: 14. 19 71°

A: let given right angle triangle ABC has right angle at B. given ∠A=71°

Q: 10) Solve for x. Round final answers to two decimal places. 30⁰ 50° 25 mm 45 mm 42° 30

A: for a right angle triangle,

Q: GH 135° G (종

A: To find - measure of arc GH

Q: mFE %3D 104 G MDEF %3D MCFD %3D F MDFE

A: Given query is to find the measure of indicated arcs.

Q: 34 MLABC =,

A: This question can be solved using the concept of properties of angles in a circle.

Q: 20° 30 m О 10.91 m О 11.55 m О 28.19 m 82.42 m

A: the given figure is: we have to find the value of x.

Q: i Find mZWXY (3x- 1) 65° W X MZWXY =

A:

Q: E H. EOH = 90° (EF I GH) %3D

A: Basic concept of perpendicularity is required.

Q: 9. Find mZB and AC. 3 m 3 m 60° C A4

A:

Q: cand. find dy at

A: Given that     If y=x2 - 4x and x=√(2t2+1) We have to find dy/dt at t=√2 .

Q: Find x. 11 17° 1.8 37.6 3.2 3.6

A: Use sin trigonometric ratio

Q: 4. What is mAB? 81° P9 cm C. 65° D

A:

Q: 3260° j2 (1 + j) 2430° 2 1 Evaluate j5

A: Let us find the determinant

Q: 4. Find BC R 28 64 41 C 5. Find mLB 20 30 B

A:

Q: 2. 3. P110° x 2x + 25 165°

A: To find the value of x° in the following figures.