Answer:
EZ
Step-by-step explanation:
A. 15 Percent
B. 40 Percent
The area is Base * Height
Area = b * h
b =12 3/4 in
h = 2 1/2 in
Area = 12.75 * 2.5 = 31.875 or 31 7/8 square inches.
<em>The formula for area of a triangle is bh × 1/2.</em>
(b) Base: 7
(h) Height: 24
24 × 7 × 0.5 = 84
The area of the triangle is 84 units²
Answer: each time the pentagon is rotated 72, it maps back onto itself. There are five values of a for which the pentagon maps back onto itself. this is the same as the number of sides of the pentagon.
Step-by-step explanation: edmentum