it costs patty $90 to have an alarm system installed in her house. she pays a monthly service fee plus tax of 8% of her monthly
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You need to times 2/3 twice
-2/-3 * -2/3
Answer:
3
Step-by-step explanation:
P is the in-center
⇒PA=PE=PD because they are in-radius of the in-circle
We know that, tangent segments drawn from a point outside the circle are always equal in length
⇒DK=EK=7.2
In right triangle PKE,
using Pythagoras' Theorem :
⇒
⇒
⇒
⇒
Therefore,