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Answered

6. Find the surface area of a ball with a radius of 7cm.
7. A cylinder has a radius of 15 cm and a height of 25 cm. Find the surface
area.
8. What is the surface area of a prism that measures 20 dm long, 15 dm
wide, and 8 dm high?​

Sagot :

Kimberlyramilogo

Answer:

6.S=4πr

r=7 cm

S=4×

7

22

×49=616 cm

7. A≈3769.91cm²

r Radius

15

cm

h Height

25

cm

8.

SA=2(lw+lH+wh)

SA=2(20*15 +20*8+15*8

SA 1160 DM ²

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