QUESTION IMAGE
Question
in trapezoid jklm
- $overline{jk}=39.0$ feet
- $overline{lm}=101.3$ feet
- $overline{jm}=35.7$ feet
- $overline{kl}=71.8$ feet
what is the area of trapezoid jklm?
use the given information to complete the worksheet.
longer base of trapezoid jklm
shorter base of trapezoid jklm
height of trapezoid jklm
area of trapezoid jklm
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 los valores de los lados y la altura
Dado que la base mayor $b_1 = 101.3$ pies, la base menor $b_2=39$ pies y la altura $h = 35.7$ pies.
Step2: Aplicar la fórmula del área del trapecio
La fórmula del área de un trapecio es $A=\frac{1}{2}h(b_1 + b_2)$. Sustituimos los valores: $A=\frac{1}{2}\times35.7\times(101.3 + 39)$.
Primero calculamos la suma dentro del paréntesis: $101.3+39 = 140.3$.
Luego, $A=\frac{1}{2}\times35.7\times140.3$.
$A = 17.85\times140.3$.
$A=2504.355$ pies cuadrados.
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$2504.355$ square feet