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2 years ago

6

Please answer this question now

1 answer:

lord [1]2 years ago

6 0

Answer:

112°

Step-by-step explanation:

By inscribed angle theorem:

$m\widehat {BCD} = 2\times m\angle BAD\\\therefore m\widehat {BCD} = 2\times 129\degree \\\therefore m\widehat {BCD} = 258\degree\\\\\because m\widehat{CD} = m\widehat {BCD}-m\widehat{BC} \\\therefore m\widehat{CD} = 258\degree - 146\degree \\\huge \red {\boxed {\therefore m\widehat{CD} = 112\degree}}$

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<h3><u>Answer:</u></h3>

x = 7.2

<h3><u>Step-by-step explanation:</u></h3>

Perimeter: Side 1 + Side 2 + Side 3

=> x + 4 + 3x + 7 + x + 9 = 56

=> 5x + 20 = 56

=> 5x = 56 - 20

=> 5x = 36

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<h3><u>Conclusion:</u></h3>

Therefore, the value of x is 7.2.

Hoped this helped.

$BrainiacUser1357$

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Am I right or if not what is it. :)

dangina [55]

Answer:

Step-by-step explanation:

That is correct.

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