# Angle Sum of a Triangle

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by
**emchoi282**

Last updated 7 years ago

** Discipline: **

Math ** Subject: **

Geometry
** Grade:**

8

What is the size of missing angle a?

In an acute triangle ABC, the values of angle A and B are 70° and 40°. What is the value of angle C? With the values of each angle, draw this triangle to scale.

Activity

Angle Sum of a Triangle

What is the angle sum of a quadrilateral? Provide a reason.

What is the value for angle a and b?

What is the value for angle a, b, c, and d?

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