Question
PSLE
Rachel had a piece of lace 15d cm long. She formed a triangle, with sides measuring d cm, 2d cm and 18 cm, with part of the wire.
  1. Express the length of the remaining lace in terms of d in the simplest form.
  2. Rachel used the remaining lace to form a rectangle of length 2d cm. If d = 3, 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
Rachel had a piece of lace 15d cm long. She formed a triangle, with sides measuring d cm, 2d cm and 18 cm, with part of the wire.
  1. Express the length of the remaining lace in terms of d in the simplest form.
  2. Rachel used the remaining lace to form a rectangle of length 2d cm. If d = 3, what was the breadth of the rectangle?