Question

the perimeter of an isosceles triangle is 20cm and the unequal side is 4cm find the 2 equal sides
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Answer 1

Answer:

8cm.

Step-by-step explanation:

given =

→triangle is isosceles

→perimeter is 20cm.

→unequal side is 4cm

let lenth of 2 equal side be x.

so,

→perimeter if isoscelec triangle

=2×lenth of equal side +lenth of uneqaul side

→20=2×x+4

→20=2x+4

→2x=20-4

→2x=16

→x=8

→so,lenth of equal side is 8cm.

Answer 2

Answer:

length of two equal sides is 8cm.