Define the geometric terms.
A. Right Angle
S
EB. Linear Pair
HE
C. Rhombus
D. Parallelogram
E. Complementary Angles

A. Right Angle  - an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.

EB. Linear Pair - A linear pair of angles is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees.

C. Rhombus - a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.

D. Parallelogram  - a four-sided plane (shape/figure) rectilinear figure with opposite sides parallel.

E. Complementary Angles - either of two angles whose sum is 90°.

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the answer is b. 60. each interior angle in 120, so the exterior angle must be 60 in order to add up to 180

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