Question
PSLE
Abi had a piece of string 20j cm long. She formed a triangle, with sides measuring j cm, 5j cm and 34 cm, with part of the wire.
  1. Express the length of the remaining string in terms of j in the simplest form.
  2. Abi used the remaining string to form a rectangle of length 3j cm. If j = 7, 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
Abi had a piece of string 20j cm long. She formed a triangle, with sides measuring j cm, 5j cm and 34 cm, with part of the wire.
  1. Express the length of the remaining string in terms of j in the simplest form.
  2. Abi used the remaining string to form a rectangle of length 3j cm. If j = 7, what was the breadth of the rectangle?