In the figure below (not drawn to scale), AB 11cm, BC = 8cm, AD = 3 cm, AC 5cm and A DAC is a right angle. Calculate, correct to one decimal place: (a) the length DC; (2 marks) (b) the size of 4 ADC; (2 marks) (0) the size of A ACB; (3 marks) (d) the area of the quadrilateral ABCD

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In the figure below (not drawn to scale), AB 11cm, BC = 8cm, AD = 3 cm, AC 5cm and A DAC is a right angle.

 

Calculate, correct to one decimal place:

(a) the length DC;

(b) the size of 4 ADC;

(0) the size of A ACB;

(d) the area of the quadrilateral ABCD

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