PLZ HELP ASAP TANGENTS OF CIRCLES PROBLEMS

Mathematics

1 answer:

quester [9]3 years ago

7 0

A circumscribed angle is that which is formed by the intersection of the two tangent lines in a circle. With this, we can conclude that segments AC and AB are tangent to circle O. The tangent lines forms a right angle with the radius of the circle drawn from the center of the circle to the tangent point.

By the explanation above, we can say that angles C and B are equal to 90° and that triangle ACO and triangle ABO are congruent. Which means that segment AC is equal to segment AB. Thus, the length of AB is also 4.

<em>Answer: 4 units</em>

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Ana escribe conjuntos de cinco enteros positivos consecutivos con la siguiente propiedad: La suma de tres de los números es tan

Keith_Richards [23]

Answer:

a) 1.

Step-by-step explanation:

Supongamos que el primer número entero positivo es a tal que a ∈ Z⁺.

Luego, el conjunto de los cinco enteros positivos se puede expresar como

A = {a; a+1; a+2; a+3; a+4}

Dada la condición del problema, se debe cumplir que

a + (a+1) + (a+2) = (a+3) + (a+4)

⇒ 3a + 3 = 2a + 7

Resolviendo la ecuación resulta

a = 4

Luego, el conjunto A nos resulta

A = {4; 5; 6; 7; 8}

Puede concluirse que sólo un conjunto cumple con esta condición.

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2 years ago

(3*10)*8=3*(10*8) what property is this

Dahasolnce [82]

That is the Community Property of Multiplication.

Hope that helps :)

8 0

3 years ago

Read 2 more answers

5. Evie and sophia are planning a cement patio by their swimming pool. A contractor says the cement will weigh 61⁄3 tons. How ma

lana [24]

Divide 6 1/3 by 3/4
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6 1/3 --> 19/3
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19/3 --> 76/12
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cross reduce, you get 76/9
convert back to a mixed number
76/9 --> 8 4/9
it would take 9 loads

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3 years ago

Im not sure how to find the missing angle

LuckyWell [14K]

Answer:

Step-by-step explanation:

the question is asking for the length of the side labeled x

use Pythagoras' theorem to find that side

where c = x because c represents the hypotenuse in the theorem and x is on the hypotenuse in this problem

c = $\sqrt{a^{2} + b^{2} }$