Lesson details

Key learning points

  1. In this lesson, we will develop an understanding of trigonometric ratios focusing on sine.

Licence

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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

6 Questions

Q1.
Fill in the gaps: In a right-angled triangle, the sine of an acute angle is equal to the length of the side that is opposite to the angle, divided by the length of the …………………...
adjacent
Correct answer: hypotenuse
opposite
Q2.
Which is the correct equation?
Option 1
Correct answer: Option 2
Option 3
Q3.
What is the length of the unknown side in the triangle below?
An image in a quiz
10 cm
Correct answer: 2.5 cm
5 cm
Q4.
Which image shows the hypotenuse correctly labelled?
Option 1
Option 2
Correct answer: Option 3
Q5.
Which triangle shows the adjacent side to angle a?
Option 1
Option 2
Correct answer: Option 3
Q6.
Which triangle shows the opposite side to angle a?
Option 1
Correct answer: Option 2
Option 3

Lesson appears in

UnitMaths / Surds and trigonometry