Two sides of a triangle are 4.5 cm and 5.5 cm.Find the third side if perimeter is 15cm.
Explain it by every step .
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Answers
Answered by
1
Step-by-step explanation:
perimeter=15cm
P=sum of all sides of tirangel
P=4.5+5.5+x
15=10+x
15-10=x
5=x
third side of ∆ is 5 cm
Hope it's help u..
Answered by
2
Answer:
5 CM
Explaination
☆ Given -
• Sides of triangle 4.5cm and 5.5cm
• perimeter = 15cm
☆ To find -
• Third side of a triangle
☆ Solution -
We know that perimeter of triangle = Sum of three sides
Let the other side of a triangle be X
4.5 + 5.5 + X = 15 cm
10. 0 + X = 15
X = 15 - 10
X= 5 cm
Hence , the other side of a trianngle is 5 cm
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