Question

Polygons
Revision Exercise 4
1. If one angle of a quadrilateral is 135º and the other angles are in the ratio 3:5:7, fi
angles.
2. The adjacent angles of a parallelogram are (2x-3)* and (5x - 6)". Find the angles.
3. Find the angles of a parallelogram ABCD in which 3 ZA = 2 ZB.
4. Find the angles of a quadrilateral if they are in the ratio 4:6:5: 9.
5. Find the sum of the interior angles of a polygon of (1) 15 sides, (il) 20 sides,
6. The sum of the interior angles of a polygon is 3600°. Find the number of sid
polygon.
7. Two angles of a hexagon measure 80° and 90°, Other angles of the hexagon are i
4:6:5: 7. Find the angles.
8. Find the measure of each interior angle of a regular (1) nonagon, (ii) polygon of
9. Find the value of x in each of the following figures.​

Answer 1

Answer:

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