Question

3. Find the value of x in each of the following figures. All measurements are in
centimetres.​

Answer 1

Answer:

x+21+29=180. ( all sides of an triagle iS=180)

x+50= 180

x=180-50

x=130

I hope it will help you ☺️

Answer 2

By pythogorus theory

$x = \sqrt{ {29}^{2} } - \sqrt{ {21}^{2} } \\ x = \sqrt{841 - 441 } \\ x = \sqrt{400 } \\ x = 20$