emj2
emj2
05-12-2016
Mathematics
contestada
Area of a trapezoid: 9 m by 15m by 20m
Respuesta :
sk11282
sk11282
05-12-2016
A=1/2 9+20×15
1/2. 29×15
217.5
Answer Link
Аноним
Аноним
05-12-2016
Equation:
[tex] A = \frac{a + b}{2}h[/tex]
a (base) = 9
b (base) = 20
h (height) = 15
[tex]A = \frac{9 + 20}{2}15 [/tex]
[tex]A = \frac{29}{2}15 [/tex]
[tex]A = 14.5 * 15[/tex]
[tex]A = 217.5[/tex]
The area of the trapezoid is
217.5 m.
Answer Link
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