Plz help I need this for a math test Rn 10 pts
1 answer:
Answer:
AC=4+4.5
=8.5
AC=AD (BOTH ARE RADIUS OF A SAME CIRCLE)
SO AD=8.5
NOW APPLY PYTHAGORAS ,
TAKE BD/2 AS X
X²+4²=8.5²
X²=72.25-16
X²=56.25
X =√56.25
X =7.5
BD/2=X
BD=2X
=2×7.5
BD=15
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