Question

Construct a triangle xyz in which angle y is equals to 30 degree, angle z equals to 60 degrees and xy + y z + z x is equals to 10centimetres

Answer 1

x = 90°

Since x + y + z = 180°

x = 180° - ( y + z) = 180° - ( 60° + 30° )

x = 180° - 90° = 90°