Question

hey guus plzz answer 1 que...​

Answer 1

1) 1/2 of 90

=> 90/2 = 45

we know that supplementary angles = 180°

So, 180 - 45 = 135°

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2) 3/7 of 280

=> (3/7) x 280

=> (3 x 280)/7

=. 840/7

=> 120

Supplementary angles = 180

180 - 120 = 60°.


Hence :

Answer -

1) 135°

2) 60°

Answer 2

Answer:

b

Step-by-step explanation: