Answer:
1347 for 1st and 2nd is 90° + 45° + 45°
Step-by-step explanation:
In a Euclidean space, the sum of angles of a triangle equals the straight angle (180 degrees, π radians, two right angles, or a half-turn). A triangle has three angles, one at each vertex, bounded by a pair of adjacent sides.
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Answer:
1347 for 1st and 2nd is 90° + 45° + 45°
Verified answer
Step-by-step explanation:
In a Euclidean space, the sum of angles of a triangle equals the straight angle (180 degrees, π radians, two right angles, or a half-turn). A triangle has three angles, one at each vertex, bounded by a pair of adjacent sides.