Mensuration: choose the measure

Exercise and reference answers

Matching pairs

1. Left

   Trapezium bases10,18m;h6m:area

   Right

   84 m²

2. Left

   Rhombus diagonals12,16cm:perimeter

   Right

   40 cm

3. Left

   Sector r14cm;arc22cm:area

   Right

   154 cm²

4. Left

   Open-top box10×6×4cm:outer area

   Right

   188 cm²

5. Left

   Hemisphere r3cm:curved area

   Right

   56.52 cm²

6. Left

   Sphere r3→cones r3,h4cm:how many

   Right

   3

Instructions

No material loss; lengths as shown; π=3.14.