Answer:
2r - 36
Step-by-step explanation:
r x r = 2r
-9 x 4 = -36
The translation is not changing the angles, because the all the points were moved 3 units to the right and two units down, so all the lines preserved their slopes.
Then if the angles A and B were 110 and 70 the images preserve the same angles.
I don't think there is any difference, because 8-15=-7, and 8+(-15)=-7, because if you remove the parentheses, you will also get 8-15.
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Answer:
A and C
Step-by-step explanation:
Area of ∆ = ½*base*height
Area of figure A:
base = 6
height = 10
Area = ½*6*10 = 3*10 = 30 square units
Area of figure B:
base = 10
height = 8.66
Area = ½*10*8.66 = 5*8.66 = 43.3 square units
Area of figure C:
base = 10
height = 6
Area = ½*10*6 = 5*6 = 30 square units
Area of figure D:
base = 6
height = 8
Area = ½*6*8 = 3*8 = 24 square units
Area of figure E:
base = 3
height = 10
Area = ½*3*10 = 3*5 = 15 square units
