Advertisements
Advertisements
प्रश्न
The sides of a triangle are 2x + 3y, x + 5y and 7x – 2y, find its perimeter.
Advertisements
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
Write the coefficient of: z2 in p2yz
In -5x3y2z4 ; write the coefficient of x3y. Also, write the degree of the given algebraic expression.
Find the sum of: x2 + x – 2, 2x – 3x2 + 5 and 2x2 – 5x + 7
Enclose the given term in bracket as required:
– 2a2 + 4ab – 6a2b2 + 8ab2 = – 2a (………)
Find the numerical co-efficient of the following term:
y
Write the greatest common factor in the following terms.
qrxy, pryz, rxyz
Factorise the following expression.
a2b + a2c + ab + ac + b2c + c2b
Identify term which contain x and give the coefficient of x.
5 + z + zx
Identify the term and its factor in the following expression.
Show the term and factor by tree diagram.
1 + x + x2
Find the numerical coefficient of the terms :
x3y2z, xy2z3, –3xy2z3, 5x3y2z, –7x2y2z2
