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MaRussiya [10]
3 years ago
6

In the diagram below, ab and bc are tangent to o. what is the measure of adc

Mathematics
2 answers:
vladimir1956 [14]3 years ago
8 0

Answer:

The correct option is B. 252°

Step-by-step explanation:

There are 360° in the circle.

So using the relation :

\frac{\text{(arc ADC - arc AC)}}{2} = \angle ABC

⇒ arc ADC - arc AC = 2 × ∠ABC

⇒ arc ADC - 108° = 2 × 72°

⇒ arc ADC - 108° = 144°

⇒ arc ADC = 144° + 108°

⇒ arc ADC = 252°

So, The measure of ∠ADC = 252°

Hence, The correct option is B. 252°

Andrej [43]3 years ago
4 0

Answer:

Step-by-step explanation: 252 apex

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Please write answers to the questions that are in the image.
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To find part A you need to find common denominator.

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Step-by-step explanation:

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Please help!! 50/25 points!!<br><br> Compute the sum
AfilCa [17]

Answer:

3577

Step-by-step explanation:

From the question given above, the following data were obtained:

7•2ᶦ

i = 0, 1, 2, .., 8

Sum =?

The sum can be obtained as follow:

7•2ᶦ

i = 0

7•2⁰ = 7 × 1 = 7

i = 1

7•2ᶦ = 7•2¹ = 7 × 2 = 14

i = 2

7•2ᶦ = 7•2² = 7 × 4 = 28

i = 3

7•2ᶦ = 7•2³ = 7 × 8 = 56

i = 4

7•2ᶦ = 7•2⁴ = 7 × 16 = 112

i = 5

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i = 6

7•2ᶦ = 7•2⁶ = 7 × 64 = 448

i = 7

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i = 8

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Sum = 3577

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