Answer:
about means an approximation
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Here is the answer
A≈61.94cm²
Answer:
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For #1. 3x + x +7 = 180 degrees
4x + 7 = 180
4x = 173
so x = 43.25
For #2. 2x + 5 = 110 degrees
2x = 105
so x = 52.5
For #3. 1 and 3, 2 and 4, 5 and 8, 6 and 7.