Q 2: If, in an obtuse isosceles triangle, the measure of the obtuse angle is 120 degrees, then the measure of one of the other angles is ______. 40 degrees 30 degrees 60 degrees

Q 3: The ______ of a triangle is the point of concurrence of the altitudes of the triangle. excentres centroid orthocentre

Q 4: The minimum number of points required to draw a triangle in a plane is three. False True

Q 5: If in ABC, ÐA = 90°, ÐB = 45°, then ÐC = ______. 45° 50° 70° 60°

Q 6: The angles 30 degrees, 60 degrees and 90 degrees represents a (an) ________ angled triangle. Answer:

Q 7: Hypotenuse is the shortest side in a right triangle. True False

Q 8: If 2x, x and 3x are the measures of the angles of a triangle, find the angles. 60°, 30° and 90° 90°, 30° and 60° 90°, 45° and 30° 45°, 45° and 90°

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