Mathematics, 29.01.2023 17:30 lizbethmillanvazquez
Find the measure of the base angle of an isosceles triangle (to the nearest whole degree) with a leg that is 54 cm long and a base 66 cm long.
Answers: 2
![\begin{gathered} \cos (\theta)=\frac{33}{54} \\ \\ \theta=\cos ^{-1}(\frac{33}{54}) \\ \\ \theta=\text{ 52.33} \\ \text{The base angle is 52.33\degree} \\ \\ \text{when there are two sides with the same lenght in second type of triangle isosceles} \\ \text{hypotenuse =}\sqrt[]{2}\cdot54 \\ \text{hypotenuse =76.4} \\ \text{76.4}\ne\text{ 66 that is the why the triangles is not the second type} \\ \\ \cos \theta=\frac{\text{adjac}ent}{hypotenuse} \\ \\ \theta=\cos ^{-1}(\frac{\text{adjac}ent}{hypotenuse}) \end{gathered}](/tpl/images/2903/0164/98306.png)
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Find the measure of the base angle of an isosceles triangle (to the nearest whole degree) with a leg...
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