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Naya [18.7K]
2 years ago
9

Solve each triangle. Round your answers to the nearest tenth. m∠A = 60°, m∠B = 30°, c = 30 cm

Mathematics
2 answers:
Svetach [21]2 years ago
8 0

Answer:

mb = 30

Step-by-step explanation:

i got it from me school

Nimfa-mama [501]2 years ago
6 0

Answer:

Angle C = 90°

a = 15sqroot3

b = 15

Step-by-step explanation:

Solve a triangle means to find all the angles and all the sides.

Angle C must be 90° because all the angles of a triangle add up to 180°.

That makes this a 30°-60°-90° triangle so there are SHORTCUTS to finding the sides so you don't have to use trig or pythagorean thm.

SHORTCUT:

The shortest side is half the longest side. (The short leg is half the hypotenuse) and/or the longest side is twice the shortest side.

SHORTCUT:

The long leg is the shortleg•sqroot3

(advanced mode: the shortleg is the longleg/sqrt3)

So for your problem, the hypotenuse is 30, so the short leg is 15. And that makes the long leg 15sqrt3. See image.

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