Answer:
153.94cm²
Step-by-step explanation:
Angle DOC is a vertical angle to AOB. Since this is a central angle, arc AB is 50.
Angles AOE, EOD, and DOC are supplementary. 180 - 60 - 50 = 70. Angle AOE is also central, so arc AE is 70.
All arcs combined add to 360, so 360 - 70 - 50 = 240 (we subtracted every other arc besides ECB, which is 240.)
We know angle BOC is vertical to the sum of AOE and EOD, so 60+ 70 = 130. Angle BOC is 130.
Answer:
TS, SR, and TR are all co-linear
Step-by-step explanation:
Regardless of where the points lie, you can connect a line segment from point T to point S, so TS are co-linear
The same goes for point S to point R
The same goes for point T to point R
The definition of a line is the shortest distance through 2 points in space, so you can make a line between any 2 points.
C is your answer.
Writing this line to get the max 20 characters ...
Answer:
1
Step-by-step explanation:
There can be 0, 1 or infinitely many solutions. 0 if they are parallel and are different lines, 1 if the slopes are different, and infinitely many if they are the same line.
2x - 4y = 8
x + y = 7
Change to y = mx + b
y = (1/2)x - 2
y = -x + 7
The slopes are different so there is 1 solution.
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