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Answer:
Let x be the common multiple.
Length = 4x
Breadth = 3x
According to Pythagoras theorem,
(4x)²+(3x)²=(25)²
16x²+9x²=625
25x²=625
x²=625/25
X =5
So,
Length = 4x = 20 cm
Breadth = 3x = 15 cm
Perimeter = 2(l×b)
= 2 (20 + 15)
= 70 cm
So, perimeter of rectangle is 70 c
Read more on Brainly.in - https://brainly.in/question/20596456#readmore
Step-by-step explanation:
Let x be the common multiple.
Length = 4x
Breadth = 3x
According to Pythagoras theorem,
(4x)²+(3x)²=(25)²
16x²+9x²=625
25x²=625
x²=625/25
X =5
So,
Length = 4x = 20 cm
Breadth = 3x = 15 cm
Perimeter = 2(l×b)
= 2 (20 + 15)
= 70 cm
So, perimeter of rectangle is 70 c
Read more on Brainly.in - https://brainly.in/question/20596456#readmore
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