3 years ago

What is the area of a equilateral triangle with a height of 7 yards?

Mathematics

1 answer:

Andrej [43]3 years ago

3 0

Approximately 21.22 yards.

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LUCKY_DIMON [66]

Answer:

5 inches

Step-by-step explanation:

A cone's volume can be found using the formula $V = \frac{1}{3} \pi r^2 h$ . If the cone has a diameter of 3 inches then its radius is half r= 1.5 inches. Substitute r = 1.5 and V = 12 cubic inches.

$V = \frac{1}{3} \pi r^2 h \\12 = \frac{1}{3} \pi (1.5)^2 h \\12 = \frac{1}{3} \pi (2.25) h\\12 = 2.355h\\5.10 = h$

This means the height of the cone is 5.10 inches or to the nearest inch 5 inches.

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What is the value of x if 5ax+2a equals 9a?

vova2212 [387]

5ax+2a=9a
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