Question

An isosceles triangle of one side measuring 12cms. What is the area of the
triangle​

Answer 1

Use Pythagorean therom for finding sites and use the triangle formula for area of triangle and see the attachment.

Answer 2

Answer:

Given: The average weight of 10 boys is 35 kg.

Need to find: Average weight of the group.

Now,

\therefore∴ Average of 10 Boys = 35 × 10

Average = 350

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\underline{\boldsymbol{According\: to \:the\: Question :}}

AccordingtotheQuestion:

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Given weight of new Boy is 46 kg.

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Therefore,

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\begin{gathered}:\implies\sf \dfrac{350 + 46}{11} \\\\\\:\implies\sf\dfrac{396}{11}\\\\\\:\implies\sf\cancel\dfrac{396}{11}\\\\\\:\implies{\underline{\boxed{\frak{\pink{36\; kg}}}}}\:\bigstar\end{gathered}

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11

350+46

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11

396

:⟹

11

396

:⟹

36kg

★

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\therefore\:{\underline{\sf{Hence, \: their\: average\: weight\: will \: be \: \bf{36\;kg}.}}}∴

Hence,theiraverageweightwillbe36kg.

this is ans for your 6th question

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