Question

the sides of a triangle are in the ratio 3:5:7and is perimeter is 45.c. m.
what are the length of the sides?
take the first side as 3x
second side =--------?
third side =-------?
given perimeter =45.c. m
-----+-----+-----=45?
x=-----. c. m
first side =------
second side =-----
third side =-----​

Answer 1

Answer:

pthe sides of a triangle are in the ratio 3:5:7and is perimeter is 45.c. m.

what are the length of the sides?

take the first side as 3x

second side = 5x___

third side = 7x___

given perimeter =45.c. m

3x+ 5x + 7x=45

x= 3 cm

first side =9 cm

second side = 15 cm

third side = 21 cm

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