Advertisements
Advertisements
प्रश्न
The sides of a triangle are 2x + 3y, x + 5y and 7x – 2y, find its perimeter.
उत्तर
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
APPEARS IN
संबंधित प्रश्न
Fill in the blank:
4a + 3b – 7a + 4b = _____
Add : 18pq – 15pq and 3pq
Subtract the second expression from the first:
−2b + 2c, b + 3c
Simplify: `2"a" +(6 - bar("a" - "b"))`
The number of terms in the expression 3ab + 4c – 9 is __________
The value of (2x2 + 4) ÷ 2 is ______.
Factorise the following expression.
24x2yz3 – 6xy3z2 + 15x2y2z – 5xyz
Identify term which contain y2 and give the coefficient of y2.
2x2y - 15xy2 + 7y2
Identify term and factor in the expression given below:
5y + 3y2
Coefficient of x in –9xy2z is ______.
