3 years ago

Help me please it’s due by today

Mathematics

1 answer:

anyanavicka [17]3 years ago

4 0

Answer:

Step-by-step explanation:

Lateral SA = area of the 4 triangles

Formula to be used :-

Area (triangle) = 1/2bh

=> 4 x 1/2 x 9 x 12

=> 108 x 2

=> 216 cm²

Total SA = LSA + area of the square

Formula to be used :-

Area (square) = side length x side length

=> 216 + 9 x 9

=> 216 + 81

=> 297 cm²

<u>The correct option is (D).</u>

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Step-by-step explanation:

Mark other guy brainliest. He's a great answer and he helped me before

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