Question

find the length of each of the equal side of the isoceles triangle if the perimeter & unequal side are i perimeter 30 cm unequal side 8 cm & perimeter 55 cm & unequal side 15 cm​

Answer 1

Answer:

i) 11

ii)20

Explanation:

i) perimeter = side 1+ side 2+ side 3

30=2 equal sides+8

30-8= 2 equal sides

22/2=1 side

= 11

ii)

perimeter = side 1+ side 2+ side 3

55=2 equal sides+15

55-15= 2 equal sides

40/2=1 side

= 20

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