Grade 7 Angle Sums Worksheet

A worksheet for 7th graders to practice calculating angle sums in triangles and quadrilaterals.

Grade 7 Math GeometryAngle Sums

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Includes

2 Short AnswerFill in the BlanksMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.7.G.A.2CCSS.MATH.CONTENT.7.G.B.5

Topics

mathgeometryangle sumstrianglesquadrilateralsgrade 7

7 sections · Free to use · Printable

Grade 7 Angle Sums

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Read each question carefully and answer to the best of your ability. Show all your work for full credit.

1. What is the sum of the interior angles of any triangle?

2. Find the measure of the missing angle in the triangle below.

3. The sum of the interior angles of a quadrilateral is degrees.

4. If a quadrilateral has angles measuring 90°, 85°, and 110°, the fourth angle measures degrees.

5. Which of the following statements about angles is true?

Acute angles are always greater than 90°.

The sum of angles in a straight line is 180°.

Obtuse angles are always less than 90°.

Complementary angles sum to 180°.

6. A square has four right angles, and the sum of its interior angles is 360°.

True

False

7. A quadrilateral has angles measuring 100°, 75°, and 95°. What is the measure of the fourth angle? Show your work.