Question

prove that the sum of a triangle is 180° .in an isoceles triangle right triangle find all the angles of a triangle

Answer 1

the sum of a triangle =180
first angle=90
second angle=?
third angle =?

let the angles be = x
X + X + 90=180
2x + 90 =180
2x = 180 - 90
2x = 90
x = 90÷2
x =45

first angle=90
second angle=45
third angle =45