The diagonal of a quadrilateral
1 answer:
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Formula for volume of cone:
V =
r = 6 km
h = 12 km
V =
V =
V =
V = 452.389 km^3 <----------------------Using the calculators pi button
V = 452.16 km^3 <-------------------------Using 3.14 for pi
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Answer:
C) 19.5 square units
Step-by-step explanation:
The area from coordinates can be computed as ...
A = (1/2)|x1(y2 -y3) +x2(y3 -y1) +x3(y1 -y2)|
= (1/2)|7(10 -4) +0(4 -1) +9(1-10)| = (1/2)|7·6 +9·(-9)|
= (1/2)|-39| = 39/2 = 19.5
The area of the triangle is 19.5 square units.
