Mathematics, 19.05.2021 14:00 july00
6. AB and BC are both tangents to the circle centre O (left).
If OA = 5 cm and AB = 12 cm calculate:
a) the size of angle OAB,
b) the length OB.
7. If OA is a radius of the circle (below) and PB the tangent to
the circle at A, calculate angle ABO.
Answers: 1
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6. AB and BC are both tangents to the circle centre O (left).
If OA = 5 cm and AB = 12 cm calculate...
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