Question

A rectangle ABCD , AC=25 and CD=7 . Then , the perimeter of is .....

• A. 62
• B. 75
• C. 89
• D. 100

Answer 1

Answer: (A)

62

$AC=25$

$CD=7$

By pythagoras theorem,

$A{C}^2=A{D}^2+D{C}^2$

$625=A{D}^2+49$

$A{D}^2=576$

$AD=24$

Hence,

Perimeter = $2(7+24)=62units$