Step-by-step explanation:
Area of a circle = #r^2
1256 = 3.14 × r^2
r^2 = 1256/3.14
r^2 = 400
Square root of r = 20
Diameter = 2 × r = 2 × 20 = 40 inches
Pay attention in class and you would know
Answer:
((4x3)/2)2 + (5x10) + (10x4) + (10x3) = 132 cm^2
Step-by-step explanation:
find area of triangles then of the other rectangular faces and add them.
Answer:
D
Step-by-step explanation:
