Hi my sisters and brothers can tell me the answer please because I don’t understand the question

Mathematics

1 answer:

sergey [27]3 years ago

3 0

Answer:

13 cm

Step-by-step explanation:

Using the Pythagoras therorem

We get the answer as

Root of (12squared +5squared)

Root of (144+25)

Root of 169

=>13 cm

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A square has a perimeter of 28 feet what is its area

Westkost [7]

Given:
square shape
Perimeter 28 feet
Find its area

A square has 4 equal sides, so perimeter is 4a

Perimeter = 4a
28 ft = 4 a
28 ft / 4 = a
7 = a

One side of the the square is 7 ft.

Area of a square is the measure of one side raised to the power of 2.

A = a²
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3 years ago

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fiasKO [112]

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Step-by-step explanation:

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