1. 3375
2. 45
3. 14348907
4. 3375
but the 3 or 2 ???
P=2(L+W)
if given one side and the perimiter
(P/2)-L=W
(P/2)-W=L
Answer:
x=3
Step-by-step explanation:
Answer:
angle b is 30 degrees
Step-by-step explanation:
a right angle is 90 degrees so you can do 90 -60 witch gets you 30 degrees
Answer:
82.5 ft²
Step-by-step explanation:
The area (A) of a trapezoid is calculated as
A =
h (b₁ + b₂)
where h is the perpendicular height and b₁, b₂ the parallel bases
Here h = 7.5, b₁ = 7 and b₂ = 15 , then
A =
× 7.5 × (7 + 15) = 0.5 × 7.5 × 22 = 82.5 ft²