Question

what is the name of a polygon that has four congruent sides and these angle measures: 70°, 110°, 70°, 110°?
a. pentagon
b. rhombus
c. trapezoid
d. square

Explanation:

A pentagon has 5 sides, so it's not the answer. A trapezoid does not have four congruent sides. A square has four congruent sides but all angles are 90°. A rhombus has four congruent sides and its opposite - angles are equal, which matches the given angle measures.

Answer:

B. Rhombus