Question

II. Find
a) 0.4 times the complete angle.
b) 2/5 of a right angle.
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Answer 1

Step-by-step explanation:

(1)complete angle =360 degree

0.4 time the complete angle =0.4*360=4/10*360=4*36=144 degree

(2)right angle =90 degree

2/5 of a right angle=2/5*90=2*18=36 degree.

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Answer 2

Answer:

a) 144°

b) 36°

Step-by-step explanation:

a) we know complete angle means 360° then,

0.4 x 360° = 144°

b) now we have to find 2/5 times of right angle i.e. 2/5 times of 90°

then, 2/5 x 90°= 36°