3 years ago

One angle of an isosceles triangle measures 64°. Which other angles could be in that isosceles triangle? Choose all that apply.

Mathematics

1 answer:

konstantin123 [22]3 years ago

6 0

Answer:

64 and 52 or 58 and 58

Step-by-step explanation:

All the angles have to add up to 180 and 2 angles need to match

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Vera_Pavlovna [14]

<span>Find missing length :
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a² + b² = c²
c² = 19² + 34²
c² = 1517
c = √1517
c = 38.95 units.

Find missing angle A:

$\dfrac{a}{\sin(a)} = \dfrac{c}{\sin(c)}$

$\dfrac{19}{\sin(a)} = \dfrac{38.95}{\sin(90)}$

$\sin(a) = 0.488$

$a = sin^{-1} (0.488)$

$a = 29.2 \textdegree$

Find Missing B:

$\dfrac{b}{\sin(b)} = \dfrac{c}{\sin(c)}$

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$\sin(b) = 0.873$

$b = sin^{-1}(0.873)$

$b = 60.8 \textdegree$

Answer: Missing length = 38.95 units ; Missing angles = 29.2° and 60.8°

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2 years ago

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Step-by-step explanation:

Solution

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2 years ago

The law of cosines is used with oblique triangles true or false?

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given:

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3 years ago

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