3 years ago

The three lengths of four triangles are given. Which triangle is a right triangle?

1 answer:

3 0

A 3-4-5 right triangle is a triangle whose side lengths are in the ratio of 3:4:5. In other words, a 3-4-5 triangle has the ratio of the sides in whole numbers called Pythagorean Triples.

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If the radius of the circle is 3 in, what is the area of the circle?

murzikaleks [220]

The area of the circle is 28.26 in²

<u>Explanation:</u>

Given:

Radius of the circle, r = 3 in

Area of circle, A = ?

We know:

Area of circle = πr²

The value of π is 3.14

Thus,

A = 3.14 X (3)²

A = 3.14 X 9

A = 28.26 in²

Therefore, the area of the circle is 28.26 in²

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3 years ago

If the qoutient of -6 and 2 is decreased by 12, what number results?

Over [174]

-6/2 - 12

= -3 - 12

= -15

Answer: -15

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2 years ago

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Brrunno [24]

Answer:

Step-by-step explanation:

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2 years ago

Please help me with this problem

denis-greek [22]

Answer:

alternate interior angles

Step-by-step explanation:

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3 years ago

Zoe used 3/8 of her ribbon to wrap a present. If she uses 9 feet of ribbon for the present how much ribbon did Zoe have it first

MArishka [77]

Let the total ribbon Zoe had was x feet.

Out of x feet, she used 3/8 part of it.

Hence, $\frac{3x}{8}$

3/8 part of the original ribbon is equal to 9 feet.

Hence, we get

$\frac{3x}{8} = 9$

=> Multiply 8 on both sides.

$3x=72$

Divide both sides by 3

$\frac{3x}{3}=\frac{72}{3}$

$x=24 ft$

Zoe had 24 feet of ribbon in starting... Answer

8 0

3 years ago