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OverLord2011 [107]
3 years ago
10

20 points.

Mathematics
1 answer:
aliya0001 [1]3 years ago
8 0

Step-by-step explanation:

the height of the triangle = √(5×15)= √75

=5√3 units

the base of triangle= 20 units

so, the area = ½×20×5√3= 50√3 units

or 86.60 units

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