Apply angle sum property of a triangle IV. Maths CBSE Homework Assignments, Class 7: lessons, tests, tasks.

1.	Calculate unequal angle in isosceles triangle Difficulty: medium	4
2.	Calculate unknown angles with the help of outside angle of a triangle Difficulty: hard	5
3.	Find two unknown angles for the given angle ratio Difficulty: hard	4

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Apply angle sum property of a triangle IV