Perimeter of polygons and compound shapes

Perimeter of polygons and compound shapes

Lesson details

Key learning points

  1. In this lesson, students will find the perimeter of polygons and compound shapes by dividing the shape up into simpler more easily recognisable shapes and finding the sum of their perimeters.

Licence

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3 Questions

Q1.
Work out the area of the compound shape.
Correct answer: 138 cm²
165 cm²
27 cm²
Q2.
Work out the area of the compound shape.
36 cm²
Correct answer: 69 cm²
84 cm²
Q3.
The area of the compound shape is shown. Find the length of the side labelled x.
2 m
4 m
Correct answer: 5 m

3 Questions

Q1.
Find the perimeter of the compound shape.
36 km
49 km
Correct answer: 72 km
Q2.
Find the perimeter of the compound shape.
40 mm
49 mm
Correct answer: 56 mm
65 mm
Q3.
Find the perimeter of the compound shape.
26 cm
28 cm
Correct answer: 30 cm
32 cm

Lesson appears in

UnitMaths / Area and Perimeter