Answer:
x=8°
Explanation:
JI is a diameter and K is on the circumference of a circle.
∴∠JKI=90°
also KJ=KI=x(say)
tan (x+37)=y/y=1=tan 45
so x+37=45
x=45-37=8°
8
x+37+x+37+90 = 180
2x + 74 = 90
2x = 16
x = 8
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