Mathematics
NULL
Medium
Question
The areas of two similar triangles are 12 cm² and 48 cm². If the height of the smaller one is 2.1 cm, the corresponding height of the bigger one is _________?
A
0.525cm
B
4.2cm
✓ Official correct answer
C
0.8
D
0.6
Community credibility
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A
0.525cm
No member explanations yet for this option.
B
4.2cm
No member explanations yet for this option.
C
0.8
No member explanations yet for this option.
D
0.6
No member explanations yet for this option.
Explanation
Height ratio = √(48/12) = 2. Bigger height = 2.1 × 2 = 4.2 cm.