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Juliette [100K]
3 years ago
10

Consider the triangle. (updated sorry) find line bc and angle a.

Mathematics
1 answer:
algol [13]3 years ago
6 0

Answer:

line bc is 8.66 units and angle A is 60 degrees

Step-by-step explanation:

bc^2 + 5^2 = 10^2

bc^2 = 100 - 25

bc^2 = 75

bc = 8.660 units

sum of interior angles = 180 deg

30 deg + 90 deg + angle a = 180 deg

120 deg + angle a = 180 deg

angle a = 180 - 120

angle a = 60 deg

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