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Nostrana [21]
2 years ago
7

Pls help me, if you get it right I will give you Brainlist!​

Mathematics
1 answer:
Bad White [126]2 years ago
4 0

Answer:

B. 31.4

Step-by-step explanation:

● you use the equation to find the circumstance of a circle so 2(pi)r.

● plug in the numbers into the equation 2(3.14)(5)

● evaluate. 2(15.70) = 31.4

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In the figure below, segment CD is parallel to segment EF and point H bisects segment DE :
Grace [21]

Answer:

See explanation

Step-by-step explanation:

In the figure below, segment CD is parallel to segment EF, DE is a transversal, then angles DIH and HGI are congruent as alternate interior angles when two parallel lines are cut by a transversal.

Consider triangles DIH and EGH. In these triangles,

  • \angle DIH\cong \angle EGH as alternate interior angles;
  • \angle DHI\cong \angle GHE as vertical angles;
  • DH\cong HE because point H bisects segment DE (given).

Thus,

\triangle DIH\cong \triangle EGH by AAS postulate

4 0
3 years ago
Ed works 5.8 hours each day ,if ed make 8$ per hour how much will he ear in 60 days
Nina [5.8K]

Answer: he will make $2784 in 60 days

5 0
3 years ago
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10. Determine if the triangles are congruent.
leva [86]

Answer:SAS

Step-by-step explanation:

4 0
3 years ago
A building casts a shadow that is 420 meters long. At the same time, a person who is 2 meters tall casts a shadow that is 24 met
sweet-ann [11.9K]

Answer: <u><em>The building is 35 meters tall.</em></u>

Step-by-step explanation:

<em>420 </em><u><em>divided by </em></u><em>24 is 17.5   </em>

<em>17.5 </em><u><em>x </em></u><em>2 is 35 </em>

<em>(im multiplying by two because it says that a person who is 2 meters tall casts a shadow that is 24 meters long. ***)</em>

<em />

8 0
2 years ago
Find x in this 45°-45°-90° triangle. x = 4.5√2 9 18
postnew [5]

Answer:

x = 9

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin45° = \frac{1}{\sqrt{2} } , then

sin45° = \frac{opposite}{hypotenuse} = \frac{x}{9\sqrt{2} } = \frac{1}{\sqrt{2} } ( cross- multiply )

x × \sqrt{2} = 9\sqrt{2} ( divide both sides by \sqrt{2} )

x = 9

5 0
3 years ago
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