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प्रश्न
The semi-perimeter of a triangle having sides 15 cm, 20 cm and 25 cm is
पर्याय
60 cm
45 cm
30 cm
15 cm
उत्तर
30 cm
Explanation;
Hint:
l = 15 cm, b = 20 cm, h = 25 cm
Semi-perimeter =
=
= 30 cm
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