Question

In a circle with centre O and radius 5cm, AB is a chord of length 8cm. Find:
a) The area of triangle AOB
b) The area of sector AOB, in cm^2, to 3 s.f
(For a-level mathematics, any help appreciated! Thanks!!)

Answer 1

Answer:

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Step-by-step explanation:

ggd time go

Answer 2

Answer:

12cm2

Step-by-step explanation:

area of the triangle

= 1/2×base×height

= 1/2×8×3 cm2

= 1/2×24 cm2

= 12 cm2