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Mathematics

2 answers:

Nataly_w [17]2 years ago

8 0

Answer:

see attached diagram

Step-by-step explanation:

<u>Angle Bisector</u>

The angle bisector bisects the angle into two equal angles.

Measure the angle EDF (I've measured this as 115°)

Divide this by 2: 115 ÷ 2 = 57.5°

Measure an angle of 57.5° from point D on the line DF and draw a line.

<u>Parallel lines</u>

Measure two lines of equal length from points X and Y at an angle of 90° to the line XY. Join the points for the parallel line.

The angle bisector and parallel line are shown in red on the attached diagram.

ohaa [14]2 years ago

6 0

Answer:

1)An angle bisector is basically the division of an angle into two equal parts, so you should just draw a line in the middle after you found the angles using the compass

2) parallel lines is a pair of lines that never intersect, and are always the same distance apart. you should use the compass to draw a 90-degree angle at the end of the line XY, and use the straightedge to draw a line that is parallel to the line XY.

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The diameter of a penny is about 7.9 x 10^-5 km. It would take about 2.1 x 10^9pennies

KIM [24]

Answer: 165,900 km

Step-by-step explanation:

diameter is a straight line between two points on the circumference of a circle that passes between the center of the circle.

so if a penny has a diameter of 7.9 x 10^-5 km, and when placed end to end will require 2.1 x 10^9 pennies to circle the equator once, that means;

the approximate length of the equator will be:

7.9 x 10^-5 km x 2.1 x 10^9 pennies

= 165,900 km

6 0

3 years ago

True or false please help

erik [133]

<h3>Answer: False</h3>

Explanation:

The number $\pi$ (read out as "pi") is approximately 3.14

So $3 \times \pi = 3\pi \approx 3*3.14 \approx 9.42$

On the other hand,

$\sqrt{64} = \sqrt{8^2} = 8$

So we can see that the original claim is false because $3\times \pi \approx 9.42$ is <u>not</u> smaller than $\sqrt{64} = 8$ . It should be the other way around.