Answer:
<1 =73
Step-by-step explanation:
The sum of the angles of a triangle add to 180 degrees
72+ 35 + <1 = 180
Add like terms
107 + <1 = 180
Subtract 107 from each side
<1 = 180-107
<1 =73
Your work appears to be correct.
The results from a graphing calculator are in agreement.
Step-by-step explanation:
5x=4x+12(corresponding angle)
5x-4x=12
x=12
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Answer:
30 units squared
Step-by-step explanation:
1/2(base)(height)
base=10
height=6
1/2(10)(6) = 5*6 = 30!