Trigonometric Ratios-Grade 9

What is the opposite side to <D?

• DF

• DE

• EF

What is the length of the opposite side?

• 15

• 17

• 8

What is the length of the adjacent side?

• 17

• 8

• 15

What is the length of the hypotenuse side?

• 15

• 8

• 17

What leg is considered the hypotenuse?

• the side opposite the shortest leg

• the side opposite the right angle

• the side opposite the smallest angle

• Any side

What is the ratio for Tangent? 

What is the ratio for Cosine?

What is the ratio for Sine?

tan 51

• 1.2349

• 1.23

• .9

• .9030

cos 87

• .05

• .5700

• .0523

• .569