alleryStart learning →An isosceles triangle has two sides of lengths 4 cm and 9 cm. What is its perimeter?
A17 cm
B22 cm
C26 cm
D13 cm
Answer & Solution
Correct answer: B. 22 cm
The sides 4, 4, 9 cannot close up since 8 is less than 9, so the sides are 9, 9, 4 and the perimeter is 22 cm.
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