A)
Because the sum of angles in a triangle must equal 180° we can say:
62+α+90=180
α+152=180
α=28°
b)
Since all sides have equal length, all angles must have equal measure. (This is an equilateral triangle). And again, because the sum of the angle must be 180° we can say:
b+b+b=180
3b=180
b=60°
Answer:
88 inches
Step-by-step explanation:
formula for circumference: 2pir or pi*diameter
22/7*28=88
88 inches
Answer:
B
Step-by-step explanation:
<em>Let's multiply this out and combine like terms:</em>
So there are 2 terms.
Answer choice B is right.
Answer: 10
18 divide by 3 is 6 because you always divide first is this case
9-6+7 now solve straight across
9 minus 6 is 3 plus 7 is 10
Step-by-step explanation: Also
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