3 years ago

O is the centre of the circle and ABC and EDC are tangents to the circle

Mathematics

1 answer:

nataly862011 [7]3 years ago

7 0

Answer:

what is your question?

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Find the area of the shaded region. Use 3.14 for pi. Do not round. Use a calculator. Number 20 and 21. Ty.

sertanlavr [38]

20. square-10+10=20x2=400m^2
circle- 3.14x10^2=3.14x100=314
400-314=86
86m^2

21.i don't get 21 sorry

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3 years ago

Add, simplify the answer and write it as a mixed number

AfilCa [17]

The second answer bubble

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3 years ago

The cost to make a path connecting all four landmarks is based on the proposal shown. The cost of path A is $29. The cost of pat

Alik [6]

Answer:

158

Step-by-step explanation:

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2 years ago

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What is measure of angle A?

Goryan [66]

Answer:

$A=53.13\°$

Step-by-step explanation:

The figure shows a right triangle.

To calculate the measure of the angle A, you can use the inverse trigonometric function arctangent:

$\alpha=arctan(\frac{opposite}{adjacent})$

Identify the angle $\alpha$ , the opposite side and the adjacent side:

$\alpha=A\\opposite=4cm\\adjacent=3cm$

Substitute into $\alpha=arctan(\frac{opposite}{adjacent})$ .

The measure of the angle A is:

$A=arctan(\frac{4}{3})\\\\A=53.130\°$

Rounded to the nerarest hundreth:

$A=53.13\°$

4 0

3 years ago

Write 4 with denominator 5

valkas [14]

Answer:

4/5

Step-by-step explanation:

I'm not exactly sure what this question is asking but I'm guessing it's asking to create a fraction with the numerator as 4 and denominator as 5.

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3 years ago