NCERT Solutions for Class 8 Mathematics Chapter 2
Important NCERT Questions
Linear Equations in one Variable Chapter 2 Exercise 2.2
NCERT Books for Session 2022-2023
CBSE Board
Questions No: 3
The base of an isosceles triangle is 4/3 cm. The perimeter of the triangle is 62/15 cm. What is the length of either of the remaining equal sides?
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⇒ 62/15=4/3+x+x
⇒ 62/15=4/3+2x
⇒ 62/15-4/3=4/3-4/3+2x [Subtracting 4/3 from both the sides]
⇒ 62-20/15=2x ⇒ 42/15=2x
⇒ 42/15×2=2x/2 [Dividing both sides by 2]
⇒ 7/5=x ⇒ x=7/5cm
Hence, each equal side of an isosceles triangle is x=7/5cm.
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