Question
PSLE
Dana had a piece of lace 20z cm long. She formed a triangle, with sides measuring z cm, 2z cm and 30 cm, with part of the wire.
  1. Express the length of the remaining lace in terms of z in the simplest form.
  2. Dana used the remaining lace to form a rectangle of length 4z cm. If z = 6, 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
Dana had a piece of lace 20z cm long. She formed a triangle, with sides measuring z cm, 2z cm and 30 cm, with part of the wire.
  1. Express the length of the remaining lace in terms of z in the simplest form.
  2. Dana used the remaining lace to form a rectangle of length 4z cm. If z = 6, what was the breadth of the rectangle?