Question

Answer these
1. ABCD is a trapezium in which AB║DC, ∠A=∠B=40°. Find angle C and D. Are they equal
2.Three angles of a quadrilateral are in the ratio 5:1:6. The average of these angles is 64°. Find the forth angle in the quadrilateral.
3.Find the length of diagonal of a rectangle with sides 8cm and 6cm.
4.find the no of sides of a polygon whose each interior angle has a measure of 144°. Also name the polygon.
5. If one angle of a parallelogram is 70°, find all other angles
6. Two opposite angle of a parallelogram are( 3x-2), and (50-x). Find the measure of each angle.
7. BEAR is a parallelogram in which two diagonals meet at a point O and ∠RBO=50°, ∠EBO=25°, ∠AOR=60°. Find ∠BEO, ∠ORA, ∠BAE, ∠AER

Answer 1

Answer:

use const. and alternate angle property

Answer 2

Answer:

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