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122_G4U5_WB˜ ˙—» ¿º 2011.3.30 2:56 PM ˘ ` 24 PDF_In 2540DPI 150LPI T
122-S1-2
2. Find the measure of angle a when 2 triangle rulers are overlapped as
shown below.
45 45
60
a
30 160
122-S1-2
2. Find the measure of angle a when 2 triangle rulers are overlapped as
shown below.
45 45
60
a
30 160
