Answer:
1. 90°. 2 angles that to be 90° are complementary.
2. Angle A & Angle D add up to make a straight line, which is 180°. Those are called supplementary angles.
3. Angle E & Angle H add up to 90°. If H is 43°, then E is 47°.
G & H add to 180°. If H is 43°, then G is 137°.
E & F add to 180. If E is 47°, then F is 133°.
4. If G is 132°, and G & H add to 180°, then H is 48°.
If H is 48°, and E & H add to 90°, then E is 42°.
If E is 42°, and E & F add up to 180°, then F is 138°.
Step-by-step explanation:
The square on an angle means it is a right angle. Right angles are 90°.
Supplementary angles make a straight line and add up to 180°
