The radius is half the diameter, then r = d/2.
You can also write d = 2r but that option is not included.
Then the answer is r = d/2.
Answer:
X=9
Step-by-step explanation:
3x + 67 + 4x + 50 = 180
7x+117=180
7x=63
x=9
___________________________________________
CHECK
3(9)+67+4(9)+50=180
27+67+36+50=180
180=180
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2 - 8y + 7y = 4
-1y = 2
y = -2
y = -2
Answer: 160
Step-by-step explanation:
To find the area of a triangle it is.... Base x Height/ 2
