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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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The drama club is holding auditions for five different parts in a one act play. If my people audition, how many ways can the rul
denpristay [2]

The question is not complete because it is not written correctly

Complete Question:

The drama club is holding auditions for five different parts in a one act play. If 9 people audition, how many ways can the roles be assigned?

a. 362,880

b. 15,120

c. 126

d. 120

Answer:

b. 15,120

Step-by-step explanation:

In other to solve the question above, we would use the formula for permutation.

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