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ohaa [14]
3 years ago
8

A trapezoid has an altitude of 12 cm. Its parallel sides measure 10 and 8 cm, respectively. What is its area? 216 cm² 108 cm² 96

0 cm² 120 cm²
Mathematics
1 answer:
iren2701 [21]3 years ago
3 0

Answer:

108 cm^2

Step-by-step explanation:

A trapezoid has an altitude of 12 cm. Its parallel sides measure 10 and 8 cm, respectively.

The base of trapezoid are 10 and 8 cm

Height of a trapezoid = 12cm

Area of a trapezoid formula = \frac{a+b}{2} * height

= \frac{10+8}{2} * 12

=108cm^2

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Answer:

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Step-by-step explanation:

A manera de imagen adjunta construimos una representación del enunciado del problema, la cual representa a un triángulo cuyos tres ángulos son conocidos y la longitud del segmento AB, medida en metros, son conocidos. Por medio de la Ley del Seno podemos calcular la longitud del segmento AC (distancia de C con respecto a A), medida en metros:

\frac{AB}{\sin C} = \frac{AC}{\sin B} (1)

Si sabemos que B = 57^{\circ}, C = 58^{\circ} y AB = 200\,m, entonces la longitud del segmento AC es:

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AC = 197.788\,m

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7 0
3 years ago
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neonofarm [45]
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7 0
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6 0
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Answer:

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Step-by-step explanation:

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6 0
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Mademuasel [1]

Answer:

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Step-by-step explanation:

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