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3 years ago

Find the value of x. The diagram is not drawn to scale.

Mathematics

1 answer:

GarryVolchara [31]3 years ago

7 0

Step-by-step explanation:

$y = 180 \degree - 116 \degree = 64 \degree \\ \\ x = 360 \degree - (125 \degree + 72 \degree + 64 \degree) \\ = 360 \degree -261 \degree \\ = 99\degree \\ \\ \huge \red{ \boxed{\therefore \: x = 99\degree }}\\ \\$

Thus, option C is the correct answer.

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Assoli18 [71]

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We know

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Now

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$\\ \sf\longmapsto TSA_{(New\:Cone)}=\dfrac{22}{7}\times 4(4+6)$

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$\\ \sf\longmapsto TSA_{(New\:Cone)}=\dfrac{880}{7}$

$\\ \sf\longmapsto TSA_{(New\:Cone)}=125.7cm^2$

$\\ \sf\longmapsto \dfrac{TSA_{(New\:Cone)}}{TSA_{(Old\:Cone)}}=\dfrac{125.7}{31.4}$

$\\ \sf\longmapsto \dfrac{TSA_{(New\:Cone)}}{TSA_{(Old\:Cone)}}=\dfrac{4}{1}$

$\\ \sf\longmapsto\underline{\boxed{\bf{ {TSA_{(New\:Cone)}}:{TSA_{(Old\:Cone)}}=4:1}}}$

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Step-by-step explanation:

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