Euclidean Geometry is normally taught by starting with the statement of the theorem, then its proof (which includes the diagram, given and RTP – Required To Prove), then a few numerical examples and finally, some non-numerical examples. Have you seen the problem yet?? The PROOF is given at the beginning!
Step-by-step explanation:
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9514 1404 393
Answer:
14.09 square units
Step-by-step explanation:
The desired area is the area of the full circle, multiplied by the fraction that is shaded. That fraction is the ratio of the sector central angle to the central angle for a whole circle: 42°/360°.
A = πr²(d/360)
A = 3.14159(6.2²)(42/360) ≈ 14.09
The area of the shaded sector is about 14.09 square units.
Answer:
Option A
Step-by-step explanation:
The next step would be to draw a circle and mark two arcs of radius equal to BG to form the angle ABC.
Hence, option A is correct
Multiply the first equation by 5
20x -15y = -200
multiply the second equation by 3
27x +15y =12
add the 2 new equations
20x-15y +27x +15y = -200 +12
47x = -188 (devide each side by 47)
x = -4
substitute x with -4 in any equation you like (I'll choose the second)
9*(-4) +5y =4
-36+5y=4 (add 36 to each side)
5y= 40
y= 8