Exploring Angles in Triangles

Exploring Angles in Triangles

Assessment

Interactive Video

Mathematics

6th - 10th Grade

Practice Problem

Hard

CCSS
8.G.A.5, HSG.SRT.C.8

Standards-aligned

Created by

Sophia Harris

FREE Resource

Standards-aligned

CCSS.8.G.A.5
,
CCSS.HSG.SRT.C.8
The video tutorial covers solving equations, focusing on interior and exterior angles of triangles. It introduces the triangle sum theorem and the exterior angle theorem, providing examples and practice problems. The teacher, working from home, guides students through the concepts and encourages them to practice independently.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the sum of the interior angles of a triangle?

360 degrees

270 degrees

180 degrees

90 degrees

Tags

CCSS.8.G.A.5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If two angles of a triangle are 50 degrees and 60 degrees, what is the measure of the third angle?

70 degrees

80 degrees

90 degrees

100 degrees

Tags

CCSS.8.G.A.5

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Given the angles 3x + 28, 5x + 52, and 2x - 10 in a triangle, what is the value of x?

13

10

11

12

Tags

CCSS.8.G.A.5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the angles of a triangle are 3x + 28, 5x + 52, and 2x - 10, what is the measure of the angle 3x + 28 when x = 11?

61 degrees

62 degrees

63 degrees

64 degrees

Tags

CCSS.8.G.A.5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving for the missing angles in a triangle using the Triangle Sum Theorem?

Divide the angles by 2

Multiply the angles

Subtract the known angles from 180 degrees

Add all the angles together

Tags

CCSS.8.G.A.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do after finding the value of x in a triangle problem?

Multiply the value of x by 2

Use the value of x to find the actual angles

Ignore the value of x

Divide the value of x by 2

Tags

CCSS.HSG.SRT.C.8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the Exterior Angle Theorem, what is the relationship between an exterior angle and the two opposite interior angles?

The exterior angle is half the sum of the two opposite interior angles

The exterior angle is equal to one of the interior angles

The exterior angle is the sum of the two opposite interior angles

The exterior angle is the difference of the two opposite interior angles

Tags

CCSS.8.G.A.5

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