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klasskru [66]
3 years ago
13

A rectangle has an area of 524.4m2. One of the sides is 6.9m in length. Work out the perimeter of the rectangle. PLEASE ANSWER!!

! SOON ASAP
Mathematics
2 answers:
malfutka [58]3 years ago
6 0

Answer:

<h2>165.8 m</h2>

Solution,

Area of rectangle= 524.4 m^2

Length(L)= 6.9 m

Breadth(B)=?

Now,

area = length  \times breadth \\ or \: 524.4 = 6.9 \times b \\ or \: 524.4 = 6.9b \\ or \: b =  \frac{524.4}{6.9}  \\ b = 76 \: m

Again,

Perimeter of rectangle:

2(l + b) \\  = 2(6.9 + 76) \\  = 2 \times 82.9 \\  = 165.8 \: m

Hope this helps...

Good luck on your assignment.....

7nadin3 [17]3 years ago
4 0

Answer:

The perimeter of the rectangle is 165.8cm

Step-by-step explanation:

Area of a rectangle = length × width

Area = 524.4m²

length = 6.9m

524.4 = 6.9 × width

width = 524.4 / 6.9

width = 76m

Perimeter of a rectangle =

2(length ) + 2(width)

length = 6.9m

width = 76m

Perimeter = 2( 6.9) + 2(76)

= 13.8 + 152

The final answer is

= 165.8cm

Hope this helps you

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