Find the length of the equal sides of the isosceles triangle, if the perimeter and unequal side are : Perimeter =30 cm, unequal side = 15 cm
Answers
Answered by
2
Answer:
length of equal sides=7.5cm
Step-by-step explanation:
let the equal sides be x and x
x+x+15cm=30cm
2x+15cm=30cm
2x=30cm-15cm
2x=15cm
x=15/2
x=7.5cm
Answered by
0
Answer:
Let the equal sides be x,x
perimeter of triangle= x+x+15
30=15+2x
30-15=2x
x=15/2
x = 7.5
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