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podryga [215]
3 years ago
7

In a given rectangle, the longer sides are 7 units longer than the shorter sides. If we let the shorter sides be represented as

x, write an expression below that represents the perimeter.
A
2x + 7

B
4x2 + 49

C
4x + 49

D
4x + 14
Mathematics
2 answers:
Goryan [66]3 years ago
7 0

Answer:

Option D 4x+14

Step-by-step explanation:

Given: The longer sides are 7 units longer than the shorter sides. The shorter side is x.

To find: Write an expression below that represents the perimeter.

Solution: It is given that the shorter side is x.

The longer side is 7 units longer than the shorter side. So, the longer side is x+7

We know that the perimeter of the rectangle is 2(\text{length}+\text{breadth})

So, the expression for the perimeter

=2(x+x+7)

=2(2x+7)

=4x+14

Hence, the expression for perimeter is 4x+14.

So, option D is correct.

strojnjashka [21]3 years ago
6 0

Answer: D because the two longer sides are 7 unites longer, meaning you need to add 14 (7x2) to the final product

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