Pretest

Question 1

Triangle QRS is a right triangle with the right angle at vertex cap r The sum of m angle cap q and m angle cap s must be

Revolt · Accepted Answer

B: equal to  90 degrees .

Question 2

Triangle QRS has the angle measures shown. m angle cap q is equal to 1 x degrees m angle cap r is equal to 3 x degrees m angle cap s is equal to 6 x degrees What is the measure of the obtuse angle?

Revolt · Accepted Answer

D: 108

Question 3

Triangle ABC is an obtuse triangle with the obtuse angle at vertex cap b Angle cap A must be

Revolt · Accepted Answer

D: less than  90 degrees .

Question 4

Which are the possible side lengths of a triangle?

Revolt · Accepted Answer

A: 4 cm, 8 cm, 10 cm

Question 5

Steven is cutting an 11 ft piece of lumber into three pieces to build a triangular garden. Which diagram shows a way in which he can cut the wood to create three pieces that can form a triangle?

Revolt · Accepted Answer

B: Image with description A line segment is divided by two dashed cut marks into three pieces labeled 3 feet, 4 feet, and 4 feet.

Question 6

In triangle XYZ , m angle cap z is greater than m angle cap x plus m angle cap y Which must be true about triangle XYZ ?

Revolt · Accepted Answer

D: m angle cap x plus m angle cap y is less than 90 degrees

Question 7

A triangle has side lengths measuring 2⁢x+2 ft, x+3 ft, and n ft. Which expression represents the possible values of n , in feet? Express your answer in simplest terms.

Revolt · Accepted Answer

A: x minus 1 is less than n comma n is less than 3 x plus 5

Question 8

Iliana claims that she can construct a triangle from a 12 -inch rod, a 36 -inch rod, and a 39 point 4 -inch rod. Which statement explains whether she is correct?

Revolt · Accepted Answer

C: Iliana will be able to construct a triangle because the sum of any two sides is greater than the third side.

Question 9

If triangle DEF has a 90 degrees angle at vertex cap e , which statements are true? Choose two correct answers.

Revolt · Accepted Answer

A: The angle at vertex  cap d  is acute.; E: Triangle  DEF  is a right triangle.

Question 10

A triangle has side lengths measuring 3 x cm, 7 x cm, and h cm. Which expression describes the possible values of h , in cm?

Revolt · Accepted Answer

B: 4 x is less than h comma h is less than 10 x

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