katyrb02
05.12.2019 •
Mathematics
Ithink the answer is d but i’m not sure me!
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Ответ:
D
Step-by-step explanation:
28+42=70
14*(2+3)=14*5=70
7*(4+6)=7*10=70
Ответ:
132 square units
Step-by-step explanation:
We are to find the surface area of a square pyramid.
From the diagram above, we are given:
Slant height = 6 units
Base = 8 units
The formula is given as:
= 2bs + b²
= 2 × 8 × 6 + 6²
= 96 + 36
= 132 square units