Question
PSLE
Jen had a piece of string 17r cm long. She formed a triangle, with sides measuring r cm, 4r cm and 20 cm, with part of the wire.
  1. Express the length of the remaining string in terms of r in the simplest form.
  2. Jen used the remaining string to form a rectangle of length 3r cm. If r = 5, 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
Jen had a piece of string 17r cm long. She formed a triangle, with sides measuring r cm, 4r cm and 20 cm, with part of the wire.
  1. Express the length of the remaining string in terms of r in the simplest form.
  2. Jen used the remaining string to form a rectangle of length 3r cm. If r = 5, what was the breadth of the rectangle?