Question

find the length of each of the equal sides of an isosceles triangle, if the perimeter and unequal side are (1) perimeter =40 cm, unequal side= 6cm (2) perimeter=45cm, unequal side=25cm​

Answer 1

Answer:

10 cm

step by step explanation

perimeter = 45cm

unequal side = 25cm

perimeter of isoceles triangle= 2(equal side) + unequal side

perimeter= 2x+ 25

45 = 2x+25

45-25=2x

20=2x

10cm