Perimeter of polygons and compound shapes
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Lesson details
Key learning points
- 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
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Work out the area of the compound shape.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707171161%2Fsqwn0qf3qevksrbi7mjo.png&w=1080&q=75)
165 cm²
27 cm²
Q2.
Work out the area of the compound shape.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707171163%2Fesofc7beqkrnf223g5uj.png&w=1080&q=75)
36 cm²
84 cm²
Q3.
The area of the compound shape is shown. Find the length of the side labelled x.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707171165%2Fkaali9kfbykns8iewuqy.png&w=640&q=75)
2 m
4 m
3 Questions
Q1.
Find the perimeter of the compound shape.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207023%2Fd7prn6cdpocjbcw9ck2r.png&w=640&q=75)
36 km
49 km
Q2.
Find the perimeter of the compound shape.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207035%2Fvkvwnttte0lenkfqmyka.png&w=640&q=75)
40 mm
49 mm
65 mm
Q3.
Find the perimeter of the compound shape.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707207045%2Fp2hb6qzbbpcizfnwjgn1.png&w=384&q=75)
26 cm
28 cm
32 cm