Answer:
I think it is A
Step-by-step explanation:
The scale factor of the dilation is
.
Notice how one unit of Q'P' can take up 3 units of QP.
680.6/820 = 0.83
0.83 = 83%
Answer:
Figure B
Step-by-step explanation:
Circumference of a circle is simply the length of the boundary of the circle which can be measured by the formula of
In the figure B the given radius in the figure is 5
Putting 5 in the formula to find the circumference of the circle gives
= :
Circumference of the circle in fig B = 31.4 cm
So, Circle in the figure B will have the circumference of 31.4 cm. Also the Circumference of the fig A, C and D are different and are not equal to 31.4 cm
The answer is B and put the question next time