Find the surface area

65

Step-by-step explanation:

So first find the base of it which is 7 time 4 equal to 28

Find the side of the triangle it's 4 time 4 divide it by 2 because there 2 side u time it by 2 which is 16

Then find the front triangle which is 7 time 3 divided by 2 since there's also two of them you time it by 2 which is 21

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

c

step-by-step explanation:

c