Advertisements
Advertisements
प्रश्न
The rate of planting the grass is ₹ x per square metre. Find the cost of planting the grass on a triangular lawn whose base is y metres and height is z metres.
Advertisements
उत्तर
Given, base of triangular lawn is y metres and height z metres
∴ Area of triangular lawn = `1/2 xx y xx z = 1/2 yz m^2` ...`[∵ "Area of triangle" = 1/2 xx "height" xx "base"]`
∴ Cost of planting the grass on lawn = `1/2`yz × x = ₹ `1/2`xyz.
APPEARS IN
संबंधित प्रश्न
Get the algebraic expression in the following case using variables, constants and arithmetic operations.
Number 5 added to three times the product of numbers m and n.
Factorize x3 - 2x2 y + 3xy2 - 6y3
Factorize `9(2a - b)^2 - 4(2a - b) - 13`
Factorize the following expressions:
x3 + 6x2 +12x +16
Factorize `8/27 x^3 + 1 + 4/3 x^2 + 2x`
Write the number of the term of the following polynomial.
ax ÷ 4 – 7
Separate monomials, binomials, trinomials and polynomials from the following algebraic expressions :
8 − 3x, xy2, 3y2 − 5y + 8, 9x − 3x2 + 15x3 − 7,
3x × 5y, 3x ÷ 5y, 2y ÷ 7 + 3x − 7 and 4 − ax2 + bx + y
Multiply: (x - a)(x + 3b)
Divide: 12x3y - 8x2y2 + 4x2y3 by 4xy
Divide: 2m3n5 by - mn
