Right Triangle Trigonometry

Question 1

One leg of a right triangle measures 6 inches. The remaining leg measures inches. What is the measure of the angle opposite the leg that is 6 inches long?

Revolt · Accepted Answer

30°

Question 2

The sides of which diagram are correctly labeled with respect to angle A?

Revolt · Accepted Answer

A right triangle is shown. Angle A is opposite to the side labeled opposite. The hypotenuse is opposite to the right angle.

Question 3

In a right triangle, angle C measures 40°. The hypotenuse of the triangle is 10 inches long. What is the approximate length of the side adjacent to angle C?

Revolt · Accepted Answer

7.7 inches

Question 4

The height of an equilateral triangle is . What is the perimeter of the equilateral triangle?

Revolt · Accepted Answer

24 units

Question 5

The side length of an equilateral triangle is 6 cm. What is the height of the triangle?

Revolt · Accepted Answer

cm

Question 6

Which equation can be used to find B in the triangle below?

Revolt · Accepted Answer

Tangent B = eight-sixths

Question 7

The hypotenuse of an isosceles triangles measures 10 inches long. What is the length of one leg of the triangle?

Revolt · Accepted Answer

StartFraction 10 Over StartRoot 2 EndRoot EndFraction

Question 8

In the triangle below, represents which ratio?

Revolt · Accepted Answer

sinC

Question 9

In the right triangle below, tanA = 0.45. What is the approximate length of AB?

Revolt · Accepted Answer

22 units

Question 10

What is the approximate degree measure of angle B in the triangle below?

Revolt · Accepted Answer

73.7

Right Triangle Trigonometry Answers

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