Question
PSLE
Gem had a piece of string 20n cm long. She formed a triangle, with sides measuring n cm, 2n cm and 19 cm, with part of the wire.
  1. Express the length of the remaining string in terms of n in the simplest form.
  2. Gem used the remaining string to form a rectangle of length 6n cm. If n = 9, what was the breadth of the rectangle?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
Gem had a piece of string 20n cm long. She formed a triangle, with sides measuring n cm, 2n cm and 19 cm, with part of the wire.
  1. Express the length of the remaining string in terms of n in the simplest form.
  2. Gem used the remaining string to form a rectangle of length 6n cm. If n = 9, what was the breadth of the rectangle?