Question

The diagram below shows the triangle ABC. The point C has coordinates (9,5) and
the equation of the lio (AB) is r + dy = 12.
TE
C(9,5)
D
(a) Find the coordinates of:
(i) * A:
ni
B.
12
(b) Show at the length of AB) is 12.4 correct to three significant figures.
2
The point D lies on the line (AB). The line (CD) is perpendicular to the
To Find:
(ithe gradient of (CD):
(ii) the pquation of (CD).
d) Find the coordinates of D.
Calculate the length of CD correct to three significant figures
2
Calculate the area of triangle ABC​

Answer 1

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