jason153 jason153

11-05-2018
Mathematics

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

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jdoe0001 jdoe0001

11-05-2018

check the picture below.

make sure your calculator is in Degree mode.

[tex]\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)[/tex]

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