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Mademuasel [1]
3 years ago
15

Calculate the length of the diagonal of a square which has sides of 14cm

Mathematics
1 answer:
ANEK [815]3 years ago
5 0

Answer:

you can use  the Pythagorean theorem, half square (watch the picture) is a right  isosceles triangle, and the diagonal is the hypotenuse


Step-by-step explanation:

√(14²+14²)

√(196 + 196)

√392=

19.8 cm


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State whether each number is rational or irrational
Marysya12 [62]

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3 0
3 years ago
A pedestal for a statue is made with 405 cubic feet of concrete. a rectangular prism with a height of 9 feet. what is the area o
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45 square feet is the area of the base of the pedestal.

what is rectangular prism?

  • A rectangular prism is a 3D figure with 6 rectangular faces.
  • To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.

we know that

The volume of the pedestal (rectangular prism) is given by the formula

   V =   B × h

where

B is the area of the rectangular base of pedestal

V = 405 ft³

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put the given values in the formula and solve for B

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Therefore, 45 square feet is the area of the base of the pedestal.

Learn more about rectangular prism

brainly.com/question/21308574

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