A teacher wrote this experssion on the board (-6)(2)+(-8÷4) what is the vaule of this expression
1 answer:
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A
The volume (V) of a pyramid is found using the formula
V = × area of base × height(h)
area of base = 9² = 81 ← area of a square, hence
324 = × 81 × h = 27h ( divide both sides by 27 )
h = = 12 → A