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3 years ago

Please help! I need to find the missing side to this shape. (file attached)

Mathematics

1 answer:

Inessa [10]3 years ago

8 0

Draw a line parallel to distance between two buildings

then we get triangle in which side are

Hypotenuse=15

opposite=20-8

=12

adjacent=?

by Pythagoras,

(hypotenuse)²=(Opposite)²+(adjacent)²

15²=12²+adj²

225-144=adj²

81=adj²

9=adjacent

so the distance between two buildings is 9ft

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