In the triangle ABC, AB = 16 cm, AC = 13 cm, angle ABC = 50 and angle BCA= x Find the two possible values for x, giving your answers to one decimal place.

Using the sine rule: sina/A = sinb/Bsinx/16 = sin50/13sinx = 16 * (sin50/13)sinx = 0.943x = 70.5 and 109.5

Answered by Yva P. Maths tutor

12637 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

How do you find the normal to a curve at a given co-ordinate?


Integrate cos(2x)


I know how to integrate, but I still never see any real world example of it, so it is difficult to understand. Why is it useful?


Find the derivative of yx+5y-sin(y) = x


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences