The shape \(BCD\) shown above is a design for a logo.
The straight lines \(DB\) and \(DC\) are equal in length. The curve \(BC\) is an arc of a circle with centre \(A\) and radius \(6cm\). The size of \(\angle BAC\) is \(2.2\) radius and \(AD=4cm\)
Find
(a) The area of the sector \(BAC\) in \(cm^{2}\)
area of the sector \(BAC=\) \(cm^2\)
Correct
Incorrect
Question 2 of 3
2. Question
2 point(s)
(b) The size of \(\angle DAC \), in radians, is \(3\) significant figures.
\(\angle DAC=\) radians
Correct
Incorrect
Question 3 of 3
3. Question
4 point(s)
(c) The complete area of the logo design, to the nearest \(cm^{2}\)
