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pav-90 [236]
3 years ago
8

A rectangle is 12cm long and 9cm wide . calculate the length of the diagonal​

Mathematics
2 answers:
Serhud [2]3 years ago
8 0

Answer: 15

Step-by-step explanation:

d = \sqrt{l^2+w^2}

Substitute in values:

d = \sqrt{12^2+9^2}\\d = \sqrt{144+81}\\d = \sqrt{225}\\d=15

<em>Hope it helps <3</em>

Shalnov [3]3 years ago
4 0

Answer: 15 centimeters

Step-by-step explanation: You cut the rectangle into two triangles following the diagonal. You add 12 squared (144) and 9 squared (81) together. You get 225. You get the square root of 225 which is 15 and that is your answer. Basic solving for the hypotenuse.

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Answer:

36π

Step-by-step explanation:

The area of a circle is given as:

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The area of a sector of a circle is given as:

A_s = \frac{\alpha }{2\pi} * \pi r^2

where α = central angle in radians

Since \pi r^2 is the area of a circle, A, this implies that:

A_s = \frac{\alpha }{360}  * A

A circle has a sector with area 33 pi and a central angle of 11/6 pi radians.

Therefore, the area of the circle, A, is:

33 \pi = \frac{\frac{11 \pi}{6} }{2 \pi} * A\\\\33\pi = \frac{11}{12} * A\\\\=> A = \frac{33\pi * 12}{11}\\ \\A = \frac{396 \pi}{11} \\\\A = 36\pi

The area of the circle is 36π.

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3 years ago
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41/28

Step-by-step explanation:

mixed form is 13/28*1

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2 years ago
Luis wants to buy a skateboard that usually sells for $79.57. All merchandise is discounted by 12%. What is the total cost of th
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10. You just hung a picture twelve inches above the wall trim. Your friend thinks the picture looks
muminat

Answer:

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Step-by-step explanation:

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If the picture is level, the shadow cast by the sun is transversal to the wall trim and the line formed by extending the bottom or top of the picture in the direction of the shadow. That is, if the picture is parallel, the shadow cast by the Sun on the wall is transversal to the picture and the wall trim if or when the shadow eventually crosses the picture

With the protractor, the angle between the shadow and the wall trim and the shadow and the top or bottom is measured

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