Froggy Jumps Isosceles Trapezoid QuestOnline version Test your isosceles trapezoid know-how. by F- BORABIEN, NICOLE NEBRES 1 What defines an isosceles trapezoid? a Only one base is parallel b All sides are equal c Legs are congruent and bases are parallel 2 In an isosceles trapezoid, which angles are equal? a Base angles on the same base b All four angles c Opposite angles 3 Are the diagonals of an isosceles trapezoid equal? a Yes, the diagonals are congruent b No, they’re different lengths c Only in rectangles 4 What is the relation of the bases in an isosceles trapezoid? a Bases are perpendicular b Bases are parallel c Bases are equal length 5 Which formula gives area of a trapezoid? a Area = ((b1 + b2) / 2) · h b Area = (b1 + b2) · h c Area = b1 · h 6 If the legs of a trapezoid are equal, what is it called? a Right trapezoid b Scalene trapezoid c Isosceles trapezoid 7 In an isosceles trapezoid, what can be said about the height relative to bases? a Height is the perpendicular distance between bases b Height is always equal to a leg c Height is equal to the sum of bases 8 Which statement is true for base angles in an isosceles trapezoid? a Angles adjacent to each base are equal b Opposite angles are equal c All four angles are supplementary 9 If b1 = 8, b2 = 3, and height h = 4, area equals? a Area = 28 b Area = ((8+3)/2)·4 = 22 c Area = 11 10 Which property helps identify an isosceles trapezoid from a general quadrilateral? a Opposite sides parallel b All sides equal c One pair of parallel sides and equal legs
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