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Find the area of an isosceles triangle with base 20 and base angles 40 degrees

User Kaychaks
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check the picture below.

make sure your calculator is in Degree mode.


\bf \textit{area of a triangle}\\\\ A=\cfrac{1}{2}bh~~ \begin{cases} b=20\\ h=y \end{cases}\implies A=\cfrac{1}{2}(20)(y)
Find the area of an isosceles triangle with base 20 and base angles 40 degrees-example-1
User Prayag Gediya
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