Measurement, NAPX-I4-NC07

Question

Willow placed the foot of her ladder 2.5 metres from the base of the wall.

The ratio of the vertical height of the ladder to its distance from the wall on the ground is  6:16:1.



What is the vertical height of the ladder?

Worked Solution

Strategy 1
Vertical height = 6 ×\times 2.5
= 15 metres

Strategy 2
Ratio = 6 : 1
= (6 × 2.5) : (1 × 2.5)
= 15 : 2.5

∴\therefore Ladder's vertical height is {{{correctAnswer}}}

Variant 0

DifficultyLevel

558

Question

Willow placed the foot of her ladder 2.5 metres from the base of the wall.

The ratio of the vertical height of the ladder to its distance from the wall on the ground is  6:16:1.



What is the vertical height of the ladder?

Worked Solution

Strategy 1
Vertical height = 6 ×\times 2.5
= 15 metres

Strategy 2
Ratio = 6 : 1
= (6 × 2.5) : (1 × 2.5)
= 15 : 2.5

∴\therefore Ladder's vertical height is 15 metres

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
15 metres

Answers

Is Correct?Answer
x

6 metres

x

9 metres

✓

15 metres

x

30 metres

Tags