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MArishka [77]
3 years ago
5

(picture included) find the area of the circle

Mathematics
1 answer:
umka21 [38]3 years ago
8 0

Answer:

36πin²

Step-by-step explanation:

Area of a circle: A=\pi r^2

r - radius

We are given the diameter of the circle. The radius is half the diameter.

12/2 = 6

The radius is 6cm.

A=\pi (6)^2\\\\A=\pi 36\\\\\boxed{A=36\pi }

The area of the circle is 36πin².

Hope this helps.

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The volume of the triangular prism is 5√3 cubic units if the height of the triangular prism is √3 units. Option (B) is correct.

<h3>What is volume?</h3>

It is defined as a three-dimensional space enclosed by an object or thing.

We have a triangular prism shown in the picture with dimensions.

As we know, the volume of the triangular prism is given by:

V = bhl/2

h = √[2²- (2/2)²]

h = √(4-1)

h = √3 units

V = (2×√3×5)/2

V = 5√3 cubic units

Thus, the volume of the triangular prism is 5√3 cubic units if the height of the triangular prism is √3 units. Option (B) is correct.

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Step-by-step explanation:

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Using Z table to get InvNormal(0.9893)=2.30

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Answer:

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