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bagirrra123 [75]
2 years ago
9

The perimeter of an isosceles triangle is 14 cm. One of its sides is twice longer than another of its sides. Find all sides of t

he triangle.
Mathematics
2 answers:
dem82 [27]2 years ago
6 0

Triangle is isosceles , it means two sides of the triangle are equal

and perimeter = 14cm

Let the two equal sides = x cm each

One of its sides is twice longer than another of its sides.

It means Third side = 2x


Now perimeter - 14 cm

It means sum of all sides = 14 cm

So

x+x+2x = 14

4x=14

Divide both sides by 4

x= 3.5 cm

It means two equal sides are 3.5 cm each

and third side = 2(3.5) = 7 cm


So three sides of triangle are 3.5 cm , 3.5 cm , 7 cm

strojnjashka [21]2 years ago
5 0
The congruent legs are 3.5 and the longest side is 7
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