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goldfiish [28.3K]
3 years ago
12

What is the area of the shaded region?please help guys ​

Mathematics
1 answer:
olganol [36]3 years ago
4 0

Answer:

<em>Answer is</em><em> </em><em>330</em>

Step-by-step explanation:

area \: of \: shaded \: region = \pi \:  {r}^{2}  - \pi {x }^{2}  \\ here \: r = 11cm \: and \: x = 4cm \\  = \pi( {r}^{2}  -  {x}^{2} ) \\  = \pi( {11}^{2}  -  {4}^{2} ) \\  = \pi(121 - 16) \\  = \pi(105) \\  =  \frac{22}{7}  \times 105 \\  = 22 \times 15 \\  = 330 \:  {cm}^{2}  \\ therefore \: area \: of \: the \: shaded \: region \:  = 330 \:  {cm }^{2}

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

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Step-by-step explanation:

Applying the pythagoras theorem:

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The area of the bigger triangle is  \frac{1}{2} × 12 × 9 = 54 square units.

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3 years ago
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