Assessment

What is the measure of the direct distance from the observer to the house?

• 288.58 m

• 288.59 m

• 288.60 m

• 288.61 m

Which of the following is a triangle whose angles are all less than 90°?

• obtuse triangle

• acute triangle

• right triangle

• both a and b

How long is the segment CB?

• 140

• 70

Which of the following does not belong to the group?

• SHO

• CAH

• TOA

• CAO

What contains an acute triangle ?

• an acute angle

• two acute angles

• three acute angles

• an obtuse angle

A square plant box has a diagonal of 20 inches. What is the length of each side?

• 10

• 8

Given tan 𝜃 = 0.1256, what is the measure of angle to the nearest minute.

• 7°9′31"

• 7°9 ′

• 7°

• 7°9 ′31.9"

The six trigonometric ratios can be used only in ________.

• equiangular triangle

• obtuse triangle

• right triangle

• acute triangle

The other name for 45-45-90 right triangle.

• isosceles right

• right

• isosceles

• scalene

The following are the inverses of the trigonometric ratios, EXCEPT.

• secant

• cosecant

• cotangent

• tangent