Question

find angles x and y in each figure........
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Answer 1

Answer:

angle x in fig (ii) is 45° and angle y is 135°

angle x in fig (iii) is 44°and angle y is 136°

in a isoceles triangle the opposite sides which are equal alo has its angles equal and since the angle is 90° in the fig (ii) the angle x has to be 45° because 90°+45°+45°=180° and in fig (iii) opposite angles are equal so the angle below 92° will be 92° and since they have given opposite sides are equal so opposite angles are also  equal and use formula 92+2x=180 , 180-92=2x , 88=2x, x=88/2, x=44

Answer 2

No I am studying in 8th class