Question

Translate each of the following statements into an equation: [4 MARKS]
a) The perimeter (p) of an equilateral triangle is three times of its side (a).
b) The diameter (d) of the circle is twice its radius (r).
c) The selling price (s) of an item is equal to the sum of the cost price (c) of an item and the profit (p) earned.
d) Amount (a) is equal to the sum of principal (p) and interest (i).

Answer 1

Each Option: 1 Mark

(a) Side of a equilateral triangle = a
According to question, p = 3a

(b) Diameter of circle = d
Radius of circle = r
According to question, d = 2r.

(c) Selling price = s, cost price = c and profit = p
According to question, s = c + p.

(d) Amount = a, Principal = p and Interest = i
According to question, a = p + i.