Answer:
r = 22.3m circa
Step-by-step explanation:
We know that the perimeter of a circle can be calculated as follows:
p = 2r
So half of perimeter will be:
p/2 = r
We know that p/s = 70m, therefore:
r = 70m / = 22.3 m circa.
A triangle includes one angle that 72º. Which pair could be the measures of the other two angles of the triangle?
2 answers:
Answer: C. 53º, 55º
Step-by-step explanation:
1. By definition, the sum of the interior angles of a triangle is 180 degrees.
2. Keeping this on mind, you have:
As you can see, the sum of the other two angles must be 108 degrees, then, let's add the angles given in each option:
A. 9°+9°=18
B. 26°+46°=72°
C. 53°+55°=108°
D. 72°+108°=180°
3. Therefore, the answer is the option C.
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Answer:
(1, 4)
Step-by-step explanation:
Below are a few points for Equations (1) and (2).}
Equation (1) is the blue line in the graph below.
Equation (2) is the red line.
The two lines cross at the black dot
Your four points are labelled . The one that is closest to the intersection is (1, 4).
The approximate solution to the system of equations is (1, 4).
