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sineoko [7]
3 years ago
5

What is the measurement of <3 and <1.

Mathematics
1 answer:
Hitman42 [59]3 years ago
3 0
You can revise: the sum of the two adjacent angles is 180°
and the sum of the measurements of the three corners in a triangle is also 180°
<1= 180°-57°=123°
As <2=52°, so we have <3= 180°-(28°+71°+52°)= 180°-151°=29°
have fun

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