Answer:
The rule of dilation is D₀,₄. It means dilation by scale factor 4 with center of dilation is origin. The length of OB' is 3 units. therefore, the answer is 3 units
Step-by-step explanation:
Answer:
120°
Step-by-step explanation:
The angle just below 'x' is 40° (alternate angles/parallel lines)
40 + x + 20 = 180 ( straight line)
x = 120°
Answer: 90 presents in 6 hours.
Step-by-step explanation:
First, you turn the 6 hours into minutes. You should get 360 minutes.
Next, divide 360 by 4 and you get the answer of 90.
--- Your answer is 90 presents.