how to solve 10th question
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3rd side let be x
∴2 equai side will be (2x - 5)
so,
x+(2x-5)+(2x-5) = 55
or, x+2x-5+2x-5 = 55
or,5x - 10 = 55
or,5x = 55+10 = 65
or,x = 65/5 = 13
∴3rd side is = 13
∴2 equal side is = 2*13 - 5
=26 - 5
=21
∴2 equai side will be (2x - 5)
so,
x+(2x-5)+(2x-5) = 55
or, x+2x-5+2x-5 = 55
or,5x - 10 = 55
or,5x = 55+10 = 65
or,x = 65/5 = 13
∴3rd side is = 13
∴2 equal side is = 2*13 - 5
=26 - 5
=21
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