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We have a rectangle of length l and brea...

We have a rectangle of length l and breath b. The length of the rectangle is increased by 5 units, i.e., (l+5) units and breath is decreased by 3 units, i.e., `(b-3)` units.

From above answer the following questions :
What is the perimeter of rectangle DEHC?

A

`(3l+2b+6)` units

B

`(2l+2b-6)` units

C

`(3l-2b-6)` units

D

`(2l-3b-15)` units

Text Solution

Verified by Experts

The correct Answer is:
B
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We have a rectangle of length l and breath b. The length of the rectangle is increased by 5 units, i.e., (l+5) units and breath is decreased by 3 units, i.e., (b-3) units. From above answer the following questions : What is the perimeter of rectangle DEFG?

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Knowledge Check

  • We have a rectangle of length l and breath b. The length of the rectangle is increased by 5 units, i.e., (l+5) units and breath is decreased by 3 units, i.e., (b-3) units. From above answer the following questions : If length of rectangle DEFG is 2 times its breath then find the perimeter of the rectangle DEFG.

    A
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    B
    `(2b+18)` units
    C
    `(6b-18)` units
    D
    `(6l+16)` units

  • What is the area of the rectangle with length l and breadth b?

    A
    `2(l - b)`
    B
    `2(l + b)`
    C
    `2 (l xx b)`
    D
    `l xx b`

  • If the length of a rectangle is increased in the ratio 4:5 and its breadth is decreased in the ratio 3:2 , then its area will be decrease in the ratio "………" .

    A
    `2:1`
    B
    `4:3`
    C
    `10:3`
    D
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