2 years ago

Find the surface area of the regular pyramid.

Mathematics

2 answers:

spayn [35]2 years ago

5 0

Answer:

Answer = 93.6

Step-by-step explanation:

frist multipy 9 x 13 to get 117 than divided it by 2 = 58.5, than times it by 3 since there is three sides.

(58.5 x 3 is 175.5)

Than for the base multipy 7.8 x 9 = 70.2, but since its a tri, divided it by 2 = 35.1.

Add 58.5 and 35.1 to get 93.6

ella [17]2 years ago

4 0

93.6
do you need work showing

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