aydrian03
aydrian03
13-01-2017
Mathematics
contestada
I don't understand how to do
Respuesta :
livmarie
livmarie
13-01-2017
angle A= angle B
angle C= angle a(2)
a+a+2a=180 (since all triangles equal 180 degrees)
180=4a
180/4
a=45
angle A and angle B both equal 45 degrees. Angle C equals 90 degrees.
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