Solve the Triangle

Which is the correct set up to solve for x?

• sin 37 = x / 12

• cos 37 = 12 / x

• tan 37 = x / 12

• sin 37 = 12 / x

Which is the correct set up to solve for x?

• sin 51 = 14 / x

• cos 51 = x / 14

• sin 51 = x / 14

• cos 51 = 14 / x

Which is the correct set up to solve for x?

• sin 21 = x / 22

• sin 21 = 22 / x

• cos 21 = x / 22

• cos 21 = 22 / x

Which equation do you use to solve for the missing side?

• sin(53) = x/11

• cos(53) = x/11

• tan(53) = x/11

Given: SA is the altitude, ∠SRA = 9x + 18, ∠RAS = 8x + 34, ∠ATS = 11x - 9. Find the value of x.

• x = 7

• x = 8

• x = 9

• x = 10

Solve the right triangle. rounding to nearest tenth.

• <1= 39^o, <2 = 61^o, 3rd side = 47.2

• <1= 71.9^o, <2 = 18.2^o, 3rd side = 36.2

• <1= 64.2^o, <2 = 25.8, 3rd side = 32.2

• <1= 28.9^o, <2 = 71.1^o, 3rd side = 27.2

Solve the right triangle. rounding to nearest tenth.

• <1= 39^o, <2 = 61^o, 3rd side = 7.2

• <1= 71.9^o, <2 = 18.2^o, 3rd side = 6.2

• <1= 43.2^o, <2 = 56.7, 3rd side = 6.6

• <1= 28.9^o, <2 = 71.1^o, 3rd side = 7.2

Mathematical Equivalence

OFF

Which equation do you use to solve for the missing side?

• sin(17) = x/19

• cos(17) = x/19

• tan(17) = x/19

• tan(17) = 19/x

Which equation would you use to solve for the missing side?

• sin(56) = x/13

• cos(56) = x/13

• tan(56) = x/13

• tan(56) = 13/x