Year 10
Core
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Lesson details
Key learning points
- In this lesson, we will calculate missing lengths using sine and cosine trigonometric ratios.
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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4 Questions
Q1.
1. Solve the equation to 1 decimal place
x = 10.0
x = 200.0
x = 28.3
Q2.
2. Find the length of y, to 3 significant figures
0.16m
6.23 m
Q3.
3. Find the length AC, to 2 decimal places
0.14 km
9.29 km
Q4.
4. Find the perimeter of this rectangle, to 3 significant figures
15.77 cm
15.8 cm
47.3 cm
4 Questions
Q1.
Solve this equation to 2 decimal places
x = 0.19
x = 4.70
Q2.
Find the length of y, to 3 significant figures
0.16 m
1.59 m
6.10 m
Q3.
Here is a right-angled isosceles triangle. Find the length AC to 2 decimal places.
0.14 cm
3.5 cm
7.07 cm
Q4.
4. Find the radius of this circle, to 3 significant figures. xy = 5.5 cm and angle xyz = 40
3.89 cm
7.18 cm
7.78 cm