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vampirchik [111]
3 years ago
10

Diagonals of an isosceles trapezoid are perpendicular to each other and the sum of the lengths of its bases is 2a. What is its

area?
PLEASE HELP!!!!!
Mathematics
2 answers:
sergey [27]3 years ago
7 0
Area= a*height
the formula for an isosceles trapezoid is 1/2(base1+base2)*height. 1/2 base 2 and 2a will simplify to a  base length of a. a times height or a*height
ira [324]3 years ago
5 0
It's a^2 

the altitude is a 
so....

(b1+b2)/2*h=
(2a)/2*a
a*a=a^2
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