Q 1: The circle that touches the three sides of a triangle and lies inside the triangle is called the ______. incircle coincides incentre

Q 2:
55 degrees 45 degrees 100 degrees

Q 3:
60 degrees 45 degrees 55 degrees

Q 4: In triangle ABC, D and E are the points on AB and AC. BD = 30, DA = x, BF = y, EC = 15, AC = 22. Find AD. 15 17.1 10

Q 5: In ABC, ÐA = 80°, ÐB = 60,°, find ÐC. 40° 45° 70° 60°

Q 6: Find the measure of each of the interior angles of a regular polygon of 4 sides. Answer:

Q 7: ABD is a triangle in which angle DAB is 90 degrees. AC is perpendicular to DB. Prove that AB^{2} = BCxBD Answer:

Q 8: In ABC, ÐA = 100°, ÐB = 50°, find ÐC. 35° 70° 30° 60°

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!

