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salantis [7]
3 years ago
5

Find the perimeter of a square of sides 10.5cm​

Mathematics
2 answers:
stepladder [879]3 years ago
8 0

Answer:

42 cm

Step-by-step explanation:

Side of square = 10.5 cm (given)

Perimeter of square = Side X 4

                                  = 10.5 X 4

                                  = 42 cm

HOPE THIS HELPED YOU !

:)

Agata [3.3K]3 years ago
3 0

Answer:

Perimeter = 42 cm

Step-by-step explanation:

A square has all equal sides so you would just add 10.5 + 10.5 + 10.5 + 10.5 to get 42 cm.

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a triangle pyramid with an equilateral base has a side length of 10 centimeters and a surface area of 214.5 square meters. find
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3 years ago
Is 4 18/12 equal to 5 6/12?
Tom [10]

Answer:

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Step-by-step explanation:

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3 years ago
The length,AB of the rectangular lot is 1 foot less than two times its width, BC. If the perimeter of the rectangular lot 394 fe
r-ruslan [8.4K]

Answer:

AB=131\ ft

Step-by-step explanation:

we know that

The perimeter of the rectangular lot is

P=2(AB+BC) ----> equation A

where

AB is the length

BC is the width

we have

AB=2BC-1 ---> equation B

P=394\ ft ----> equation C

substitute equation B and equation C in equation A

394=2(2BC-1+BC)

solve for BC

394=2(3BC-1)

394=6BC-2

6BC=396

BC=66\ ft

<em>Find the value of AB</em>

AB=2BC-1

AB=2(66)-1

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3 years ago
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Step-by-step explanation:

3 0
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