Answer: Where is the question?
Step-by-step explanation:
Answer:
2π² or 19.74
Step-by-step explanation:
- <em>Circumference of a circle is C = 2πr</em>
Given r = π
<u>Then</u>:
or
The triangle is obtuse since it has an angle more than 90 degrees.
It also has 2 equivalent sides that are represented by the line, meaning it is isosceles.
Therefore,
C. and E. are correct.
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Answer:
1. B 2. C
Step-by-step explanation:
1. x^2-18x+(18/2)^2=19+(18/2)^2
(x-18/2)^2=100
(x-9)^2=100
x1= -1 x2= 19
2. x^2=81
x=+-9
x1=-9 x2=9
