The angles inside a triangle are called interior angles. The diagram below shows the interior and exterior angles of a triangle. The three interior angles in a triangle will always add up to 180°. At each corner the exterior and interior angles are on a straight line, so at each corner these two angles add up to 180°.
Answer:
measure is the angle right- if so it's 76 each
180-28=152
152÷2=76
Jeffery owes his friend $5
Area = Length x Width
so, 88 = (something) x 8
Can you work out the something using mental math?