Answer:
16°
Explanation:
m2 is 3 times m1. together they equal 64. so
64 = m1 + m2.
but m2 is 3 times m1 so
64 = m1 + 3×m1 =4×m1
divide both sides by 4
16 =m1
m<1 = 16°
if the whole angle is 64° and m <2 is three times (let's call it 3x) of m <1 then the total is 4x
4x = 64
x = 16°
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