write the algebraic expressions for the following questions..(pls help me)
i) If the cost of 1 m cloth is Rs. x, then what is the cost of 9 m cloth?
ii) If the radius of a circle is r units, then express the length of a diameter of the
circle in terms of r.
iii) If the side of an equilateral triangle is m units, then express the perimeter in
terms of m.
i) If the cost of 1 m cloth is Rs. x, then what is the cost of 9 m cloth?
ii) If the radius of a circle is r units, then express the length of a diameter of the
circle in terms of r.
iii) If the side of an equilateral triangle is m units, then express the perimeter in
terms of m.
Answers & Comments
Answer:
Step-by-step explanation:
Cost of 1 meter clothe is x
cost of 9m cloth will be 9*x=9x
if the radius is r
then diameter will be 2r
if perimeter is m of one side
then 3 side perimeter will be 3m