SOLUTION: For concave pentagon ABCDE, find the measure of the reflex angle at vertex E (in degrees) if m∠A = m∠D = x°, m∠B = m∠C = (3x)°, and the measure of

In pentagon ABCDE, shown below, angle A measures 50 degrees, What is the total measure of the other 4 interior angles? a. 130 degrees b. 200 degrees c. 310 degrees d. 432

Ethiopia Learning - Math grade 9 page 253 in English

Understanding Quadrilaterals 8

heep205 - Angles-Quadrilateral-Sides

Understanding Quadrilaterals 8

Chapter 5 Teaching Resources (PDF)

Find the angle measure of \[x\] in the following figures:

Irregular Polygon - GCSE Maths - Steps, Examples & Worksheet