QUESTION IMAGE
Question
your aunt bought a new truck. the drivers side window is a trapezoid.
in trapezoid trck:
- \\(\overline{tr}=21.7\\) inches
- \\(\overline{kc}=27.1\\) inches
- \\(\overline{tk}=12.8\\) inches
- \\(\overline{rc}=11.6\\) inches
what is the area of the car window?
use the given information to complete the worksheet.
area formulas:
- parallelogram: \\(a = bh\\)
- square: \\(a = s^{2}\\)
- triangle: \\(a=\frac{1}{2}bh\\)
- trapezoid: \\(a = \frac{1}{2}h(b_1 + b_2)\\)
Step1: Identificar fórmula
La fórmula para el área de un trapecio es $A=\frac{1}{2}h(b_1 + b_2)$. Aquí, $h$ es la altura, $b_1$ y $b_2$ son las bases.
Step2: Asignar valores
La base más larga $b_1 = 27.1$ pulgadas, la base más corta $b_2 = 21.7$ pulgadas y la altura $h = 11.6$ pulgadas.
Step3: Calcular área
Sustituir valores en la fórmula:
\[
$$\begin{align*}
A&=\frac{1}{2}\times11.6\times(27.1 + 21.7)\\
&= 5.8\times48.8\\
&=283.04
\end{align*}$$
\]
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283.04 square inches