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klio [65]
3 years ago
14

Calculate the perimeter and area of the following square if a= 19

Mathematics
2 answers:
Licemer1 [7]3 years ago
8 0

Formula for perimeter of a square: P = 4a

Formula for area of a square: A = a²

a is given as:

19

Plug this value for a into the above formulas to solve for perimeter and area.

P = 4a

P = 4(19)

P = 76

-----------------------------------------------------------------------------------------------------------------

A = a²

A = 19²

A = 361

Answer:

P = 76 units; A = 361 units².

alexgriva [62]3 years ago
7 0

we are given

Area:

side=a=19

we know that

area of square = side*side

Area=a*a

now, we can plug value

and we get

Area=19*19

Area=361

Perimeter:

perimeter=4a

perimeter=4*19

perimeter=76

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