Question

find the perimeter of the triangle whose length is 9 cm and diagonal is 15 CM ​

Answer 1

Answer:

46 cm

Step-by-step explanation:

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.

Answer 2

Answer:

plz see the solution from the above pic

Step-by-step explanation:

hope it helps

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