Advertisements
Advertisements
Question
The sides of a triangle are 2x + 3y, x + 5y and 7x – 2y, find its perimeter.
Sum
Solution
Sides of a triangle are 2x + 3y, x + 5y, 7x - 2y
∴ Perimeter = sum of three sides of the triangle
= 2x + 3y + x + 5y + 7x - 2y
= 2x + x + 7x + 3y + 5y - 2y
= 10x + 8y - 2x
= 10x + 6y
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Identify the terms, their coefficients for the following expressions.
`x/2 + y/2 - xy`
Identify the numerical coefficient of term (other than constant) in the following expression:
5 − 3t2
Constant is only 8 other is variable a3 – 3ab2 x c
Write the coefficient of: mn in -mn
For the following monomials, write its degree: – 2p2q3r4
Simplify: 7n2 – 9n2 + 3n2
Simplify: a + (b + c – d)
Simplify: 5 − 8x − 6 − x
The numerical co-efficient of −7mn is
4p is the numerical coefficient of q2 in –4pq2.
