Assuming that <1 and <2 are not the right angle, then because the sum of the angles of a triangle are 180 degrees, then angle <1 and and <2 sum to 90 degrees.
m<1 + m<2 = 90
given m<1 = 3*m<2:
3*m<2 + m<2 = 90
4*m<2 = 90
m<2 = 22.5
Eli V.
asked • 10/07/21statements and resons
given: m<ABC= 90 and m<1=3(m<2)
prove:m<2=22.5
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