UPSKILL MATH PLUS

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### Theory

 1 Recall about quadrilateral 2 Types of quadrilaterals and its properties 3 Parallelogram theorem-I, II 4 Parallelogram theorem-III, IV, V 5 Circumcentre, circumcircle, circumradius and orthocenter of triangle 6 Construct circumcentre of a triangle 7 Construct a orthocentre of a triangle

### Exercises

 1 Classify quadrilaterals Difficulty: easy 1 2 Predict the quadrilateral is in given shape Difficulty: easy 1 3 Check the quadrilateral is a parallelogram or not Difficulty: easy 2 4 Determine the length of its two sides Difficulty: easy 2 5 Find the interior angle of the rectangle Difficulty: medium 3 6 Find the unknown value Difficulty: medium 3 7 Evaluate the unknown equal angles in isosceles triangle Difficulty: medium 4 8 Find angles measure in parallelogram Difficulty: medium 4 9 Determine the angle of parallelogram Difficulty: medium 3 10 Find the unknown angle if other two angles are given Difficulty: medium 3 11 Determine the unknown angle in the right triangle Difficulty: medium 3 12 Determine the length of all sides Difficulty: hard 4 13 Express the interior angle of the parallelogram Difficulty: hard 4 14 Determine the required angles Difficulty: hard 4 15 Calculate the interior angles of parallelogram Difficulty: hard 4 16 Find two unknown angles for the given angle ratio Difficulty: hard 4 17 Estimate the unknown angle Difficulty: hard 5

### Tests

 1 Training test Difficulty: medium 10

### Teacher manual

 1 Methodical recommendation