The diagram shows triangle ABC, with AB = 5 cm, BC = (2x 3) cm, CA
Question:
The diagram shows triangle ABC, with AB = 5 cm, BC = (2x − 3) cm, CA = (x + 1) cm and ∠ABC = 60°.
a. Show that x satisfies the equation x2 − 8x + 16 = 0.
b. Find the value of x.
c. Calculate the area of the triangle, giving your answer to 3 significant figures.
Transcribed Image Text:
A 5 cm B 60° (x + 1) cm (2x - 3) cm C
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To solve this problem well use trigonometry and some properties of triangles a Show that x satisfies the equation x2 8x 16 0 In triangle ABC we have a...View the full answer
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Related Book For
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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