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Bill Trikha

· started a discussion

· 1 Months ago

Doubt (Question: 214521.0 )

Angle AMP and Angle ALP are 90 degree, which means quadrilateral AMPL is a rectangle, isn't it??

Question:

ABC is an equilateral triangle. From a point P on BC perpendiculars PL, PM are drawn to the sides AC & AB respectively. If PL = 3 cm & PM = 9 cm, then AL + AM=

Options:
A) 12\(\sqrt{3}\).
B) 11\(\sqrt{2}\).
C) 24
D) None of these
Solution:
Ans: (a)


Rohan Arora

· commented

· 1 Months ago

but angle A is 60 degree and not 90 degrees . how can u say it is a rectangle ? A rectangle has 4 angles of 90 degrees and not 2 .
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