If two of the angles of a triangle are 30 and 70 degrees, the third angle measures...?
1 answer:
Answer:
80°
Step-by-step explanation:
Since a triangle has three angles that add up to 180°, you add the two given angles and subtract it from 180°.
1
70° + 30° = 100°
2
180° - 100° = 80°
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(5/3)*(7/3) = 35*(1/3)²
The area is 35 square units.
