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13 votes
8 in

10 in
8 in
10 in
10 in
8 in
10 in
8 in
10 in
8 in
10 in
What is the surface area of the solid?
O A. 220 square inches
O B. 260 square inches
O c. 210 square inches
D. 420 square inches
SUBMIT

8 in 10 in 8 in 10 in 10 in 8 in 10 in 8 in 10 in 8 in 10 in What is the surface area-example-1
User Redhead
by
5.4k points

2 Answers

9 votes

Answer: 260 square inches

User RoyM
by
5.2k points
10 votes

Answer:

Explanation:

Surface area of the 4 sided pyramid = base area + 4 time each triangle area

= (s²) + 4 × 1/2(b)(h)

= (10)(10) + 4 × (1/2)(10)(8)

= 100 + 4(1/2)(10)(8)

= 100 + 160

= 260

User Yervand Khalapyan
by
4.9k points