Solve Right Triangles: Part 2 Challenge

What is the sum of the angles in any triangle?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

How do you calculate the third angle in a triangle knowing the other two angles?

• Divide 180 degrees by the sum of the two known angles

• Subtract the sum of the known angles from 180 degrees

• Add the two known angles

• Multiply the two known angles

Which trigonometric function relates the opposite side to the hypotenuse?

• Cotangent

• Sine

• Cosine

• Tangent

If the angle is 40 degrees in a right triangle, what is the length of the side opposite this angle when the hypotenuse is 8?

• 4.1

• 5.1

• 6.1

• 7.1

Using the cosine function, what is the length of a side adjacent to a 40-degree angle in a triangle with a hypotenuse of 8?

• 8.1

• 7.1

• 5.1

• 6.1

What is the hypotenuse length in a right triangle if one side is 9 and the other is 12?

• 15

• 21

• 18

• 12

What is the measure of an angle in a right triangle if the opposite side is 12 and the adjacent side is 9?

• 60 degrees

• 45 degrees

• 36.9 degrees

• 53.1 degrees

If the tangent of an angle in a right triangle is 1.3333, what is the angle approximately?

• 53.1 degrees

• 45 degrees

• 60 degrees

• 30 degrees

What is the length of the hypotenuse in a right triangle with sides of lengths 3 and an unknown side, given the hypotenuse is 9?

• 8.5

• 7.5

• 9.5

• 6.5

What trigonometric function is used to find an angle when given the adjacent side and the hypotenuse?

• Secant

• Tangent

• Sine

• Cosine