Answer:
line
Step-by-step explanation:
you can obviously see lines in the shape
Answer:
1
Step-by-step explanation:

2^2(-9 + 4)
First step: solve the brackets.
2^2(-5)
Second step: solve the exponent.
4(-5)
Final step: multiply.
-20
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Answer:6.928
Step-by-step explanation: formula A=√ 3*(side^2/4)
Answer:
6) 40°
7) 65°
8) 65°
Step-by-step explanation:
6) Total angle in a triangle is 180
180-70-70 = 40
7) y + 55 + 60 = 180
y = 65
8) 50 + n + n = 180
50 + 2n = 180
2n = 180 - 50
2n = 130
n = 130/2 = 65