Z00AX
Z00AX
21-04-2017
Mathematics
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HELPPPPPPPPPPPPPPPPPPPPPPPP MATH 20 POINTS
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schoolabc123
schoolabc123
21-04-2017
a. <1, <2, and <3 added together have to equal 180 so <1+<2= 77, triangles equal 180 in total. 180-77=103, <3=103. <3 and <4 are supplementary so they have to equal 180 which is what <1 + <2 equaled
b. 77
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