Question

Construct a triangle abc in which bc= 8cm and angle b is 45° and angle cis 30° . Construct another triangle similar to triangle abc such that its sides are 3 upon 4 of corresponding sides of triangle abc

Answer 1

1) a + b + c = 180
a + 45 + 30 =180
a + 75 = 180
a = 180 - 75
a = 105