Unit 4A Review

• acute

• obtuse

• right

Tags

CCSS.4.G.A.2

• equilateral

• isosceles

• scalene

Tags

CCSS.4.G.A.2

• equilateral

• isosceles

• scalene

Tags

CCSS.4.G.A.2

A triangle has side lengths of 15 centimeters, 11 centimeters, and 9 centimeters. What kind of triangle is it?

• equilateral

• isosceles

• scalene

Tags

CCSS.4.G.A.2

What is the length of DF?

• 8

• 4

• 25

• 71

Tags

CCSS.HSG.CO.C.11

Find the measure of the indicated angle. 

• 26
• 36
• 85
• 144

Tags

CCSS.8.G.A.5

Find the value of x, then the measure of angle d.

Given: < d = 10x +20

<b = x² - 6

< a = 4x - 1

Select all that apply

• x = 3

• x = 9, -3

• x = 9

Use the Triangle Sum Theorem to find the measure of  angle A in degrees.

• 91°
• 120°
• 30°
• 35°

Tags

CCSS.8.G.A.5

Classify the triangle based on its' angles and sides.

• Acute, Scalene

• Obtuse, Scalene

• Acute, Isosceles

• Obtuse, Isosceles

Order the sides of the triangle from smallest to largeset.