mhairi invest 1000 for 5 years at 4% compound interest p.a calculate how much interest she has gained over the 5 years
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Answer:
Step-by-step explanation:
For convenience, I labeled some points as shown in the attached picture.
Also, I assume and
are tangents to the circle.
(reflexive property)
(tangents drawn from a common external point are congruent)
(right angles are congruent)
Therefore, we know by HL.
Thus, by CPCTC,
This means the measure of minor arc AC is , and thus
