using soh cah toa
opp=4
hyp=r
we are using soh
therefore sin45=4/r
rsin45=4
r=4/sin45
r=5.7 approx
Answer:
= 5.657 units
Explanation:
Using the trigonometric ratio; sine
Sine Ф = opp/Hyp
Opposite = 4 and Hypotenuse and Ф=45°
Sine 45° = 4/r
r = 4/sine 45
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