Ok this is simple. first, lets look at the 123 angle, so the entire line is 180. subtract 123 from 180 and you have 57. a triangle will always add up to 180 degress aswell. so add 58 and 57 and thats 115. so since a triangle will always add up to 180, subtract 115 from 180 and you have the missing angle:
65!
Answer:
24
Explanation: base times height divided by 2
5 * 4 = 20
Answer: 20 quarter hours
Answer:
Step-by-step explanation:

<u>If we substituted 1 for a then:</u>
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If half of the pizza was cut into thirds, and you ate 1 of the 3 slices left, you would have eaten 1/6 of the leftovers.
Try 1/6.