The base and perimeter of an isosceles triangle are 3 1/2 cm and 12 cm. Find the length of each of its equal sides.
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Answer:
4.25 units
Step-by-step explanation:
Let the length of the equal sides be 'x'
We know that Sum of all sides is the Perimeter
So
Perimeter = 3½ + 2x
2x = 12 - 3½
2x = 8.5
x = 8.5 ÷ 2
x = 4.25 units
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