Solving for Side Lengths of Right Triangles — Unit test Answers
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Consider triangle GHJ.
A
5 unitsB
units
C
10 unitsD
units
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A right triangle has a 30o angle. The leg adjacent to the 30o angle measures 25 inches.What is the length of the other leg? Round to the nearest tenth.
A
14.4 in.B
21.7 in.C
28.9 in.D
43.3 in.23
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
32.8°B
40.2°C
49.8°D
57.2°24
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.
A
4.9°B
6.2°C
11.1°D
17.2°25
Consider the incomplete paragraph proof.Given: Isosceles right triangle XYZ (45°–45°–90° triangle)Prove: In a 45°–45°–90° triangle, the hypotenuse is times the length of each leg.
A
Substitute values for a and c into the original Pythagorean theorem equation.B
Divide both sides of the equation by two, then determine the principal square root of both sides of the equation.C
Determine the principal square root of both sides of the equation.D
Divide both sides of the equation by 2.Did you find these answers helpful?
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