Question

8. The two adjacent sides of a rectangle are 6a + 9b and 8a – 4b. Find its perimeter​

Answer 1

Perimeter of a rectangle

= 2[(6a + 9b) + (8a - 4b)]

= 2[14a + 5b]

= 28a + 10b

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Answer 2

Answer:

Hope my answer helps you mate :-)

Step-by-step explanation:

let length be 6a+9b and breadth be 8a-4b

Perimeter of rectangle

2(l+b)

2(6a+9b+8a-4b)

2(14a+5b)

28a+10b is your answer

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