36, because the square root of 4 is 2 and the square root of 81 is 9. You multiply those and then double it to get 36.
Answer: Choice A
If the compass isn't open wide enough, then the arcs won't intersect forming the points we need to create the perpendicular bisector.
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brainly.com/question/17191122
feel free to ask any questions you have if you're still stuck
Answer:
a) 
b) 
c) 5
Step-by-step explanation:
Answer:
84. What you did is right.
Step-by-step explanation:
A parallellogram's area is b x h. So the equation is 7 x 12=84.
Y int.: (0,-1.2)
X int.: (-0.7,0)
