Question

Find the perimeter of a rectangle whose length is 15m and diagnal is 17m​

Answer 1

answer

Step-by-step explanation:

perimeter=

(l+b)×2

(15+17)×2

32×2

64m

Answer 2

Answer:

Given

L=15 (Length = L;B = Breadth;H = diagonal)

H=17 cm

L

2

+B

2

=H

2

⇒(15)

2

+B

2

=(17)

2

⇒225+B 2 =289⇒B 2 =289−225

⇒B 2 =64

⇒B= 64

⇒B=8 cm.

Breadth =8 cm.

Area of rectangle =L×B=15×8=120m

2

.

Perimeter of rectangle =2(L+B)

=2(15+8)

=2(23)

=46 cm.

Step-by-step explanation:

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