Shape and Space 4
3 marks · EasyPQRS is a rectangle. PQ = 6 cm and QR = 8 cm.
(a)[2 marks]
Calculate the length of the diagonal PS.
(b)[1 mark]
Work out the perimeter of rectangle PQRS.
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
Show answer
(a) 10 cm
(b) 28 cm
Show mark scheme and worked solution
Marking points
M1 (a) · 1 mark · Uses
A1 (a) · 1 mark · Obtains cm for diagonal (follow-through)
B1 (b) · 1 mark · Correct calculation of perimeter: cm
Worked solution
a) cm
b) Perimeter = 2 × (6 + 8) = 2 × 14 = 28 cm