In triangle ABC, right angled at B, AB = 3 cm and AC = 6 cm. Determine angle BAC and angle ACB.
Using the trignometric principles,sin (ACB) = AB/AC = 3/6 = 1/2Thus, angle ACB = 30 degreesand angle BAC = 90 - angle ACB = 60 degrees
PS
Related Maths GCSE answers
All answers ▸Factorise x^2 +7x +10
How do I solve the simultaneous equations 5x - 3y = -1 and 3x + y = 5?
Show that (x + 4)(x + 5)(x + 6) can be written in the form ax3 + bx2 + cx + d where a, b, c and d are positive integers.
What is the length of the hypotenuse in the right angled triangle to one decimal place? (a=5cm, b=4cm)