Question

Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number.

Answer 1

@paki

Answer 2

here...
Lateral Area = perimeter of triangle * L...
AND
Surface Area = Perimeter of Triangle * L + 2*Area of Triangle...

Answer 3

wait, let me solve///

Answer 4

Ok

Answer 5

Lateral Area = perimeter of triangle * L
= (8+9+12.04)×23= 668

Answer 6

and

Surface Area = Perimeter of Triangle * L + 2*Area of Triangle
= (8+9+12.04)×23 + 2*8*9*0.5 = 740 approx

so lateral area= 668 and surface area = 740

Answer 7

Thanks ! :)

Answer 8

pleasure