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Wittaler [7]
3 years ago
9

What is the size of ∠ABC shown in the above figure? A. 140° B. 70° C. 20° D. 35°

Mathematics
1 answer:
Annette [7]3 years ago
5 0
I would say it is 35. but i'm not sure

i hope i am of some help to you
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Cual es la simplificacion de 66/81
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Answer:

Hence the simplification of \dfrac{66}{81} is \dfrac{22}{27}

Step-by-step explanation:

<em>" Simplification is the process of replacing a mathematical expression by an equivalent one, that is simpler (usually shorter), </em>

<em>for example</em><em>: Simplification of a fraction to an irreducible fraction ". </em>

Here we are given a fraction as:

\dfrac{66}{81}

As both the numerator and denominator are divisible by a factor of 3 hence we take out the common factor and obtain the reduced fraction which is further irreducible.

As 66=3×22  and 81=3×27

Hence \dfrac{66}{81}=\dfrac{3\times22}{3\times27}=\dfrac{22}{27}

Hence the simplification of \dfrac{66}{81} is \dfrac{22}{27}

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