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In-s [12.5K]
3 years ago
11

Without measuring, how can you determine whether two sides of a polygon are congruent?

Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0
Because all polygons have a certain angle and line that can mostly be about 30 degrees long.
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Find the center of the circle that can be circumscribed about EFG with E(4,4) F(4,2) G(8,2)
kipiarov [429]

Answer:

The center of the circle is (6 , 3)

Step-by-step explanation:

∵ The vertices of Δ EFG are E (4 , 4) , F (4 , 2) , G (8 , 2)

∵ The x-coordinates of E and E are equal ∴ EF is vertical

∵ The y-coordinates of F and G are equal ∴ FG is horizontal

∴ m∠EFG = 90°

∵ The circle is circumscribed about Δ EFG

∴ E , F , G lie on the circle

∵ m∠F = 90°

∴ EG is the diameter of the circle

∴ The center of the circle is the mid-point of EG

∵ The mid-point of EG is (\frac{4+8}{2},\frac{4+2}{2})=(6,3)

∴ The center of the circle is (6 , 3)

3 0
3 years ago
Solve for x.<br><br> 1/4 |12 - 4xl &lt; 5/2 - 2x
sergey [27]

Answer: X < 0.25.

Step-by-step explanation:

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3. 5/2 is the same as 2.5.

4. Move the variables to one side and the numbers to the other side. In this case, move 0.5 to the opposite side of the <, making it -0.5. The right side of this problem should be 2.5 - 0.5. Do the same with move -2x to the other side, making it +2x. 4x + 2x is 6x.

5. The problem should now be 6x < 1.5. Divide each side by 6.

6. x < 0.25

4 0
3 years ago
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B has to equal a/c
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3 years ago
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