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LuckyWell [14K]
3 years ago
12

What is the area of the triangle?

Mathematics
1 answer:
kirill [66]3 years ago
4 0
Triangle Area formula is A=1/2b•h
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How do you find the area.
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For a square and rectangle it is Area=length*width
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If the radius of a right circular cylinder is doubled and height becomes 1/4 of the original height, then find the ratio of the
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<u>Given</u><u> </u><u>info:</u><u>-</u>If the radius of a right circular cylinder is doubled and height becomes 1/4 of the original height.

Find the ratio of the Curved Surface Areas of the new cylinder to that of the original cylinder ?

<u>Explanation</u><u>:</u><u>-</u>

Let the radius of the right circular cylinder be r units

Let the radius of the right circular cylinder be h units

Curved Surface Area of the original right circular cylinder = 2πrh sq.units ----(i)

If the radius of the right circular cylinder is doubled then the radius of the new cylinder = 2r units

The height of the new right circular cylinder

= (1/4)×h units

⇛ h/4 units

Curved Surface Area of the new cylinder

= 2π(2r)(h/4) sq.units

⇛ 4πrh/4 sq.units

⇛ πrh sq.units --------(ii)

The ratio of the Curved Surface Areas of the new cylinder to that of the original cylinder

⇛ πrh : 2πrh

⇛ πrh / 2πrh

⇛ 1/2

⇛ 1:2

Therefore the ratio = 1:2

The ratio of the Curved Surface Areas of the new cylinder to that of the original cylinder is 1:2

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2 years ago
A bag contains 8 red marbles, 4 blue marbles and 2 green marbles. If two marbles are
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Answer:

Step-by-step explanation:

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Please help ASAP thank u!! :))
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Answer:

Use your brain

Step-by-step explanation:

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The graph of f(x) = 13* - 6 is shown below.g(x) is a transformation of f(x).
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Answer:

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Step-by-step explanation:

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3 years ago
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