Question

please give answer right and quickly. question number 2 ​

Answer 1

Answer:

the radius is 1\2*8

r=4

Step-by-step explanation:

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Answer 2

Answer:

1) given

diameter = 8cm

formula r = d/2

r = 8/2

r = 4cm

2) supplementry angle :- Two Angles are Supplementary when they add up to 180 degrees

so supplementry angle of 89.5° is

180 - 89.5 = 90.5 °

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