See attached photo for answer.
Answer:
m∠F = 66°
m∠D = 57°
Step-by-step explanation:
It looks like you have ...
∠D = ∠E = (4x +1)°
∠F = (5x -4)°
The sum of the angles in the triangle is 180°, so we have ...
2(4x +1) +(5x -4) = 180
13x -2 = 180
x = 182/13 = 14
Then the angle measures are ...
∠D = ∠E = (4(14) +1)° = 57°
∠F = (5(14) -4)° = 66°
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m∠F = 66°
m∠D = 57°
Answer:
33 years
Step-by-step explanation:
I think you might have made a typo, but it would still be 33 if the mean age stays the same.
Answer:
15 deg
Step-by-step explanation:
Sine and cosine are co-functions, so
sin x = cos(90 - x)
sin 25 = cos(90 - 25)
sin 25 = cos 65
y + 50 = 65
y = 15
Usando el concepto del área del triángulo, se encuentra que
:
- La altura es de 16.97 unidades.
- La base es de 50.91 unidades.
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El área del triángulo de base b y altura h es dada por:

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- El area es de <u>432 unidades quadradas</u>, o sea,

- La base mide <u>tres veces su altura</u>, o sea,

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<u>Reemplazando en la ecuación para el área</u>, es posible encontrar la altura:







La altura es de 16.97 unidades.
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La base es dada <u>en funcion da altura,</u> o sea:

La base es de 50.91 unidades.
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