Unit Test Answers

Joey is building a frame for a sandbox. The sandbox is going to be a quadrilateral that has the lengths shown.

Triangle ABC is a right triangle and cos(22.6o)=. Solve for b and round to the nearest whole number.

The lengths of two sides of a right triangle are 5 inches and 8 inches. What is the difference between the two possible lengths of the third side of the triangle? Round your answer to the nearest tenth.

In right triangle XYZ, the right angle is located at vertex Y. The length of line segment XY is 12.4 cm. The length of line segment YZ is 15.1 cm.

The equation can be used to find the measure of angle LKJ.

The diagonal of rectangle ABCD measures 2 inches in length.

Triangle V U W is shown. The length of side W V is 6 centimeters, the length of side W U is 3 StartRoot 3 EndRoot centimeters, and the length of side U V is 3 centimeters.

A right triangle has one angle that measure 23o. The adjacent leg measures 27.6 cm and the hypotenuse measures 30 cm.What is the approximate area of the triangle? Round to the nearest tenth.Area of a triangle = bh

Which classification best represents a triangle with side lengths 10 in., 12 in., and 15 in.?

Which equation can be used to find the length of ?

The equation can be used to find the length of .

Triangle L J K is shown. Angle J L K is a right angle. The length of the hypotenuse is 15 inches and the length of the side adjacent to the right angle is 10 inches. The angle between the 2 sides is x.

An acute triangle has side lengths 21 cm, x cm, and 2x cm. If 21 is one of the shorter sides of the triangle, what is the greatest possible length of the longest side, rounded to the nearest tenth?

The hypotenuse of a 45°-45°-90° triangle measures units.

In which triangle is the value of x equal to tan−1? (Images may not be drawn to scale.)

A right triangle is shown. The length of the hypotenuse is 4 centimeters and the lengths of the other 2 sides are congruent.

Consider triangle QRS. The legs each have a length of 10 units.

Two sides of an obtuse triangle measure 9 inches and 14 inches. The length of longest side is unknown.What is the smallest possible whole-number length of the unknown side?

Right triangle ABC is shown.

Triangle L M N is shown. Angle N L M is a right angle. The length of N L is 19.1 inches and the length of L M is 14.1 inches. Angle L N M is x and angle N M L is y.

Which is a perfect square?

The measure of angle BAC can be calculated using the equation .

An acute triangle has two sides measuring 8 cm and 10 cm. What is the best representation of the possible range of values for the third side, s?

Triangle F G E is shown. Angle F E G is a right angle. The length of hypotenuse F G is 18.6 inches and the length of F E is 12 inches. Angle F G E is x.

A ramp leading into a building makes a 15° angle with the ground. The end of the ramp is 10 feet from the base of the building (along the ground).Approximately how long is the ramp? Round to the nearest tenth.