Question

Why Only 45.....30 and 60........0 and 90
Are considered as Standard Angles ??​

Answer 1

Answer:

hope this helps

Step-by-step explanation:

bcause they are usually the angles found in a triangle i guess

Answer 2

Answer:

from those angles,you can get other angles and those are the angles one can construct using a ruler and a compass only

Step-by-step explanation:

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