Answer:
3x-13+2x+4=116( the sum of two interior angle is epual to the sum of exterior angle )
5x =116-9
5x=107
x=21.4 degree
then
angle a= 3*21.4-13
a=51.2degree
angle b=2*21.4+2
b =44.8degree
Step-by-step explanation:
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Answer:
6px
Step-by-step explanation:
hope this help
Answer:
35,45,55 is not a triangle
Step-by-step explanation:
The three angles of a triangle add to 180
30+60+90 = 180
true
45+55+80 = 180
true
30+45+105 =180
true
35+45+55 =180
135 does not =180
false