Lesson details

Key learning points

  1. In this lesson, we will look at the special cases of 30 and 60 degrees right angled-triangles.

Licence

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5 Questions

Q1.
What is the name of the longest side in a triangle?
congruent
Correct answer: hypotenuse
opposite
Q2.
Triangle Y has been enlarged. Work out the length of the base of triangle X.
An image in a quiz
1.5 cm
Correct answer: 6 cm
8 cm
Q3.
What is the size of the marked angle?
An image in a quiz
30 degrees
Correct answer: 45 degrees
60 degrees
Q4.
What is the length of m?
An image in a quiz
Correct answer: 10 cm
2.5 cm
5 cm
Q5.
What is the length of the missing side?
An image in a quiz
Correct answer: 2 cm
4 cm
6 cm

6 Questions

Q1.
a is half the size of the hypotenuse when 𝑥 = ?
An image in a quiz
30 degrees
45 degrees
Correct answer: 60 degrees
Q2.
b = 10 cm when 𝑥 = ?
An image in a quiz
30 degrees
45 degrees
Correct answer: 60 degrees
Q3.
What is the size of the angle marked x ?
An image in a quiz
15 degrees
Correct answer: 30 degrees
60 degrees
Q4.
What is the length of the hypotenuse?
An image in a quiz
3.5 cm
5 cm
Correct answer: 7 cm
Q5.
What is the length of angle x?
An image in a quiz
18 cm
Correct answer: 36 cm
9 cm
Q6.
What is the size of angle x?
An image in a quiz
Correct answer: 30 degrees
45 degrees
60 degrees

Lesson appears in

UnitMaths / Surds and trigonometry