3 years ago

What is the difference between a radius and a diameter of a circle?

Mathematics

1 answer:

34kurt3 years ago

3 0

Answer:

Radius is half of the diameter.

The diameter is a line going through the entire circle and radius is the half line.

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a triangle has a base that is 3 times longer than its height. it has a area of 486 sq cm. what is the base and height

saw5 [17]

B = 3h . . . . . . . .given by the problem statement
A = (1/2)bh . . . . formula for the area of a triangle

486 cm² = (1/2)*(3h)*h . . . substitute given information
(2/3)*486 cm² = h² . . . . . .multiply by 2/3
√324 cm = h . . . . . . . . . . . . . .take the square root

The height is 18 cm.
The base is 3*18 = 54 cm.

6 0

2 years ago

Answer this question <br>PLEASE ANSWER FAST!!

Nikitich [7]

Answer:

$15\sqrt{3}$