Geometry, NAPX-L4-CA13 v2

Question

Bruce has a photo which is 15 cm high and 10 cm wide.



Bruce wants to enlarge it to make a poster with a width of 30 cm.

What will be the height of the poster?

Worked Solution
Ratio increase = new widthold width\dfrac{\text{new width}}{\text{old width}}
= 3010\dfrac{30}{10}
= 3

∴\therefore New height = 3 × 15
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

542

Question

Bruce has a photo which is 15 cm high and 10 cm wide.



Bruce wants to enlarge it to make a poster with a width of 30 cm.

What will be the height of the poster?

Worked Solution
Ratio increase = new widthold width\dfrac{\text{new width}}{\text{old width}}
= 3010\dfrac{30}{10}
= 3

∴\therefore New height = 3 × 15
= 45 cm

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
45 cm

Answers

Is Correct?Answer
x

20 cm

x

25 cm

x

35 cm

✓

45 cm

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