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Answered

A. Given: x Il y Find

1. a =
2. b =
3. c =
4. d= ​

A Given X Il Y Find 1 A 2 B 3 C 4 D class=

Sagot :

Exelciemaylibay18viz

ANSWER:

1. 35°

2. 35°

3. 145°

4. 90°

EXPLANATION:

1. a= 180° — 55° — 90° = 35°

2. as: ×|| y

so a=b = 35°

3. c = 180° — a = 145° the flat angle is 180°

4. d=90°

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