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manchester united

· started a discussion

· 1 Months ago

right triangle not mentioned (Question: 248824.0 )

where in question is it written that it is a right triangle?

Question:
Sandeep has a triangle in which longest side is 20 cm and another side is 10 cm. Its area is 80 cm2. What is the length of the third side?
Options:
A) \(\sqrt{250}\)  cm 
B) \(\sqrt{260}\)  cm 
C) \(\sqrt{240}\)  cm 
D) \(\sqrt{270}\)  cm 
Solution:

Ans: (b)


shailesh raj

· commented

· 1 Months ago

bro understand the solution properly... they have constructed the perpendicular so that area formula can be used.
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