Review Unit#9 - Right Triangles

Review
Unit#9

Triangles

Multiple Choice

Find the length of the missing side.

• 7

• 35

• 34.66

• 4.9

Multiple Choice

Find the length of the missing side.

• 26

• 24

• 25

• 23

Multiple Select

Classify the triangles.

You should choose two different answer.

• By sides:

  Equilateral

• By sides:

  Isosceles

• By angles:

  Right

• By angles:

  Acute

Multiple Choice

What is the length of the hypotenuse?

• 11

• $$11\sqrt[]{3}$$

• 22

Multiple Choice

Find the side AC.

• $$3\ \sqrt[]{3}$$

• $$3\ \sqrt[]{2}$$

• $$3$$

• $$6\ \sqrt[]{2}$$

• $$6\ \sqrt[]{3}$$

Multiple Choice

Find the value of the leg.

• $$10\ \sqrt[]{2}$$

• $$20$$

• $$20\ \sqrt[]{2}$$

• $$40\ \sqrt[]{3}$$

​tan(O)=tan(B)

Multiple Choice

True or false?

$$\cos\left(S\right)=\cos\left(\theta\right)$$

• True

• False

Multiple Choice

True or false?

$$\tan\left(S\right)=\tan\left(\beta\right)$$

• True

• False

Multiple Choice

True or false?

$$\tan\left(S\right)=\tan\left(T\right)$$

• True

• False

Multiple Choice

True or false?

$$\sin\left(T\right)=\cos\left(S\right)$$

• True

• False

Multiple Choice

True or false?

$$\tan\left(T\right)=\tan\left(S\right)$$

• True

• False

Multiple Choice

If the measure of two sides in a triangle is 30 and 85. What is the measure of the missed side?

• 150

• 95

• 55

• 65

Multiple Choice

If $$\sin\left(\theta\right)=\frac{12}{13}$$ , $$\tan\left(\theta\right)=\frac{12}{5}$$ . Then...

• $$\cos\left(\theta\right)=\frac{12}{5}$$

• $$\cos\left(\theta\right)=\frac{13}{5}$$

• $$\cos\left(\theta\right)=\frac{5}{13}$$

• $$\cos\left(\theta\right)=\frac{5}{12}$$

Multiple Choice

Find the sine of angle A:

$$\sin\left(A\right)=$$

• $$\frac{4}{3}$$

• $$\frac{4}{5}$$

• $$\frac{3}{5}$$

• $$\frac{3}{4}$$

Multiple Choice

Find the cosine of angle A:

$$\cos\left(A\right)=$$

• $$\frac{4}{3}$$

• $$\frac{4}{5}$$

• $$\frac{3}{5}$$

• $$\frac{3}{4}$$

Multiple Choice

Find the tangent of angle A:

$$\tan\left(A\right)=$$

• $$\frac{4}{3}$$

• $$\frac{4}{5}$$

• $$\frac{3}{5}$$

• $$\frac{3}{4}$$

Multiple Choice

sin (M) = ?

• $$\frac{5}{13}$$

• $$\frac{12}{13}$$

• $$\frac{5}{15}$$

• $$\frac{12}{15}$$

​adjacent

hypotenuse

This process is to find missing sides.

Multiple Choice

Find the length of the side x.

• 8.39

• 11.92

• 13.05

• 15.56

Multiple Choice

Find the length of the side x.

• 11.47

• 0.03

• 36.86

• 16.38

Multiple Choice

Find the value of the length in the rectangle.

• 5.3

• 2.8

• 6.8

• 12.8

This process is to find missing angles.

​adjacent

​opposite

Multiple Choice

Find the angle x.

• 48.19

• 41.81

• 33.69

• 35.62

Multiple Choice

Find the angle x.

• 30

• 60

• 26.57

• 45

Multiple Choice

Find the value of b.

• 90

• 10

• 100

• 80

Multiple Choice

Find the value of d.

• 90

• 10

• 100

• 80

Multiple Choice

The vertices of a parallelogram PQRS are P(4, 7), Q(8, 7), R(6, 1), and S(2, 1).

Find the coordinates where its diagonals intersect each other.

• (5,4)

• (4,5)

Multiple Choice

Find the value of D.

Angles: E=115 and G=73

• 86

• 172

• 115

• 73