I need help with this question?????

Mathematics

2 answers:

sergiy2304 [10]2 years ago

7 0

Diameter = circumference / pi = 28.26 / pi = 9.00 units (to the nearest hundredth)

Novay_Z [31]2 years ago

4 0

Since circumference= $\pi$ d,

You would solve for d, using the equation 28.26= $\pi$ d, since 28.26 is the circumference.

You would end up dividing $\pi$ on both sides, thus getting the exact answer of 28.26/ $\pi$ as the diameter. If you need an estimated answer, then use a calculator, enter the exact diameter, and round as needed.

(If there's anything wrong/unclear in my explanation then please tell me as this is my first time doing this)

Have a great day!

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Anni [7]

The measure of angle 1 and 2 should add up to 180°, because it forms a straight line. The same goes for the sum of angle 3 and 4.

Since we are given the measure of angle 2, we can find the measure of angle 1 by subtracting 143° from 180°.

180°-143° = 37°

We know that the intersecting lines form 2 sets of vertical angles, which are congruent. This means that the angles opposite from each other have the same measure. Therefore, both angle 2 & 4 have a measure of 143°, while angle 1 & 3 have a measure of 37°.

4 0

3 years ago

If m< DBG=58 and mDG =74 , find mGE

mestny [16]

Answer:

Option D: mGE = 190°

Step-by-step explanation:

From the property of angles of secant and tangent lines, we have:

DBG = (mGE - mDG)/2

(That is, the angle in point B is half the difference of the larger arc by the smaller arc defined by the lines)

So, we have that:

58 = (mGE - 74)/2