SubjectCover

Question 58 of 104 in Unit 3

Shape and Space 3

3 marks · Easy

In the triangle below, calculate the length of side x.

Geometry diagram with points A, B, CABC
Right-angled triangle

Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.

Show answer

5.00 cm (±0.01)

Also accept: 5

Common mistakes: 7

Show mark scheme and worked solution

Marking points

M1 · 1 mark · Identifies the use of Pythagoras’ Theorem.

M2 · 1 mark · Substitutes correct values into the formula.

A1 · 1 mark · Gives final answer x = 5.00 cm to 3 significant figures.

Worked solution

By Pythagoras' Theorem:

Report a problem with this question
What's wrong?