The length of the diagonal of a rectangle is 15 cm. Find its length and area, if it's breadth is 9 cm.
Answers
Answered by
25
Step-by-step explanation:
Diagonal = 15cm
Breadth = 9 cm
length = ?
solution :
1) (AC)²= (AB) ² + (BC) ²
(15)² = (9)² + (BC) ²
225 = 81 + (BC) ²
(BC) ² = 225 - 81
(BC) ² = 144
Taking out square root on both sides
BC = 12cm = length
2) Area = length X breadth
= 12 x 9
= 108cm²
Answered by
5
Answer:
hai
Step-by-step explanation:
answer is 108 cm please vote me
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