Year 7
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Lesson details
Key learning points
- In this lesson, we will solve further problems involving area of triangles.
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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5 Questions
Q1.
Fill in the gap: We can find the area of a triangle using the width of a base and the __________ height.
parallel
parallelogram
slant
Q2.
Fill in the gap: The triangle will have half the area of the _______________ formed with the same dimensions.
parallel
perpendicular
slant
Q3.
Find the area of this right-angled triangle.
B 20cm²
C 30m²
D 60cm²
Q4.
A triangle has a base of 3cm and a perpendicular height of 4cm. What is its area?
1.5 cm²
12 cm²
2 cm²
Q5.
A triangle has an area of 48 mm² and a perpendicular height of 8 mm. What is the length of its base?
192 mm
24 mm
6 mm
5 Questions
Q1.
Fill in the gap: A ______________ shape can be split into two or more other shapes.
big
multiple
yellow
Q2.
Fill in the gap: We can split the shape below into a _____________ and a triangle.
circle
square
triangle
Q3.
Fill in the gap: The total area can be found by ______________ the areas of these shapes.
dividing
finding the product of
taking away
Q4.
What is the area of this shape?
108 cm²
14.5 cm²
24 cm²
Q5.
Find the shaded area in the shape below.
108 m²
144 m²
27 m²