यदि किसी त्रिभुज की दो भुजाएं 8 सेंटीमीटर तथा 11 सेंटीमीटर है और उसका परिमाप 32 सेंटीमीटर है तो उसका क्षेत्रफल ज्ञात करो
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Answer:
let one size taken as 8 cm.
second size 32 cm .
third size X
a triangle have 3 size and it is 180. cm
8+32+X= 180.
40+X= 180.
180-40= 140
then the third size is 140 cm.
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