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Mnenie [13.5K]
3 years ago
8

Given that AOC is straight line,find the value of the unknown in each of the following figuresò​

Mathematics
1 answer:
Basile [38]3 years ago
4 0

Answer:

x=52°

Step-by-step explanation:

38° +90°+x = 180° ( Angles on a straight line)

x+ 128° =180°

x= 180° -128°

x= 52°

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\bf \textit{equation of a circle}\\\\ &#10;(x- h)^2+(y- k)^2= r^2&#10;\qquad &#10;center~~(\stackrel{}{ h},\stackrel{}{ k})\qquad \qquad &#10;radius=\stackrel{}{ r}\\\\&#10;-------------------------------\\\\&#10;(x-3)^2+(y+7)^2=64\implies [x-\stackrel{h}{3}]^2+[y-(\stackrel{k}{-7})]^2=\stackrel{r}{8^2}&#10;\\\\\\&#10;center~(3,-7)\qquad radius=8

so, the broadcast location and range is more or less like the picture below.

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Read 2 more answers
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