angleBOC = 270°
All 3 angles meet at O thus
angleBOC = angle AOC + angle BOD = 120° + 150° = 270°
Pythagoras and his followers were known as the Pythagoreans.
Answer:

Step-by-step explanation:
The graph is in the image

Answer:
<u><em>The balance of the odds must be for spins of different colours. Therefore, 81/81 - 29/81, the odds of getting two different colours.</em></u>
Answer:
42 square inches
Step-by-step explanation:
Area of a triangle = (1/2)(base)(height)
A = 1/2(12)(7)
A = 1/2(84)
A = 42