In the figure, m24 = 74° and m23 = 43°. Find mz1 and m2. 3 4 2 m21 = m22 =

Q: Given b=4.2m, c=6.8m, A=116 degrees, find a

A:

Q: The m FED is 135° 81° B C D

A:

Q: The mLA 3x°, mZB = 7y°, m¿C = 5x° and mZD = 2y°. Find x and y. В C 3x° 2y° A D

A:

Q: Your Turn: 1. Find the value of each variable. P a° Q T 30 b

A: We have to find a and b

Q: B 0 In Oo, mAB = 45° and OA =6 cm. Find fAB.

A:

Q: Find + 7x°)dx + C

A: To find:-

Q: 36 102° M 97

A:

Q: In the diagram below, mZA = 58°, mZB = 55° and mZC = 79°. Find mZD. В 55° E 58° A 79° C

A:

Q: What is the measure of ZRTV? 90° 700 V 80°

A: We can find the measure of the angle as below

Q: In the circle, mML = 80° and MZMKL= 20x -20. M Find x and mZMKL. K

A:

Q: EFGH ~ XYZW. What is mZX? E Y 52° H. 122° 134° W mZX = hp

A:

Q: In quadrilateral ABCD, ZA = 2C. Which additional statement can be used to show that ABCD is a…

A: Given Angle BAD = Angle BCD Assume that ∠B = ∠D in the quadrilateral ABCD given above. We have to…

Q: mZA-64° and AC 20. Find BC to the nearest tenth. A

A: the given triangle has m∠A=64° and AC=20

Q: Simplify: c4. c4 O 2c1 O c8 O c16 2c8

A: Topic : indices

Q: In the diagram below, mZA = 62°, mZB = 56° and mZC = 82°. Find mZD. A 62° 820 E D 56° В

A: Use the angle sum property of triangle in triangle ABE to find ∠AEB.

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.