The lengths of the sides of a triangle are x, 2x & 2x centimetres. If the perimeter is 20
centimetres, what is the value of x?
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Answer:
x = 4cm
Step-by-step explanation:
Sides of Triangle = x , 2x , 2x
ATQ
→ perimeter = 20cm
→ sum of all sides = 20cm
→ x + 2x + 2x = 20cm
→ 5x = 20cm
→ x = 20cm/5
→ x = 4cm
Therefore x = 4cm
Sides of triangle are
→ x , 2x , 2x
→ 4cm , 2(4cm) , 2(4cm)
→ 4cm , 8cm , 8cm
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