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The in-radius of a triangle is 6 cm, and...

The in-radius of a triangle is 6 cm, and the sum of the length of its sides is 50cm. The area of the triangle (in sq. cm) is
एक त्रिभुज को अंतः त्रिज्या 6 सेमी है, तथा इसके भुजाओं के लंबाई का योग 50 सेमी है। त्रिभुज का क्षेत्रफल (वर्ग सेमी में) ज्ञात करें।

A

A)50

B

B)56

C

C)150

D

D)300

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