Question
PSLE
Cathy had a piece of lace 19j cm long. She formed a triangle, with sides measuring j cm, 3j cm and 15 cm, with part of the wire.
  1. Express the length of the remaining lace in terms of j in the simplest form.
  2. Cathy used the remaining lace to form a rectangle of length 4j 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
Cathy had a piece of lace 19j cm long. She formed a triangle, with sides measuring j cm, 3j cm and 15 cm, with part of the wire.
  1. Express the length of the remaining lace in terms of j in the simplest form.
  2. Cathy used the remaining lace to form a rectangle of length 4j cm. If j = 7, what was the breadth of the rectangle?