alleryStart learning →An isosceles triangle has two equal sides of 10 cm and a perimeter of 29 cm. How long is the third side?
A8 cm
B9 cm
C10 cm
D19 cm
Answer & Solution
Correct answer: B. 9 cm
The two equal sides give 20 cm, so the third side is 29 - 20 = 9 cm.
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