Triangles and Their Side Lengths

Question 1

Gemma wants to draw a triangle with side lengths of 4 inches, 12 inches, and 17 inches. Which statement is true?

Revolt · Accepted Answer

This triangle does not exist because the sum of 4 and 12 is less than 17.

Question 2

In triangle ABC, AB measures 25 cm and AC measures 35 cm. The inequality < s < represents the possible third side length of the triangle, s, in centimeters. The inequality < p < represents the possible values for the perimeter, p, of the triangle, in centimeters.

Revolt · Accepted Answer

Part 1: 10; Part 2: 60; Part 3: 70; Part 4: 120

Question 3

In triangle RST, m∠R > m∠S + m∠T. Which must be true of triangle RST? Check all that apply.

Revolt · Accepted Answer

m∠R > 90°; m∠S + m∠T < 90°; m∠R > m∠T; m∠R > m∠S

Question 4

The inequality [___] < p < [___] represents the possible values for the perimeter, p, of the triangle, in centimeters.

Revolt · Accepted Answer

70

Triangles and Their Side Lengths Answers

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