Soh/Cah/Toa and Special Right Triangles

Find the measurement of the missing side indicated.

(Hint: SOH CAH TOA)

• 4.98

• 5.98

• 3.20

Solve for x. Round to the nearest tenth.

(Hint: SOH CAH TOA)

• 103.5

• 4.7

• 55.0

Solve for x. Round to the nearest tenth.

(Hint: SOH CAH TOA)

• 74.9

• 3.6

• 54.1

Which inverse trig function would you use to find the measure of Angle A? (Hint: SOH CAH TOA)

• inverse sine

• inverse cosine

• inverse tangent

Which expression is correct for "y"? (Hint: SOH CAH TOA)

• y = tan^–1(31/23)

• y = sin^–1(31/23)

• y = cos^–1(31/23)

Which equation can be used to find the value of KM in the right triangle shown below?

• Sin 38˚= 26.5 / KM

• Tan 90˚= 26.5 / KM

• Cos 38˚= KM / 26.5

• Cos 38˚= 26.5 / KM

Three homes are positioned relative to each other to form an isosceles right triangle, as shown below. What is the distance in centimeters between the centers of the houses located at B and C?

• 3.6 cm

• 7.2 cm

• 14.4 cm

• 3.6√2 cm

In the triangle below, which of the following is equivalent to Sin A?

• b/c

• a/c

• c/a

• b/a

In right triangle ABC, the measure of angle B = 30 degrees, and the length of the hypotenuse BC= 17 feet. What is the length, in feet, of leg AC?

• 34 feet

• 8.5 feet

• 17√2 feet

• 17 feet

•   7/9

• √130 / 9

• 7√130 / 130

• 9/7