MCQ Maths Class 7 Chapter 7 Ganita Prakash NCERT Advertisement A Tale of Three Intersecting Lines 1. Which tool is recommended for accurately constructing an altitude?Ruler onlyCompassSet square and rulerProtractorQuestion 1 of 202. In which type of triangle can a side also be an altitude?EquilateralIsoscelesScaleneRight-angledQuestion 2 of 203. What is a scalene triangle?All sides are equalTwo sides are equalNo sides are equalOne angle is 90°Question 3 of 204. What defines an acute-angled triangle?One angle is acuteAll three angles are acuteOne angle is obtuseOne angle is 90°Question 4 of 205. Which measurements are given to construct a triangle with two sides and the included angle?Two angles and one sideThree sidesTwo sides and the angle between themTwo angles and the angle between themQuestion 5 of 206. In constructing a triangle with AB = 5 cm, AC = 4 cm, and ∠A = 45°, what is the first step?Draw an angle of 45°Draw a side AB of 5 cmMark point C at 4 cmJoin points A and CQuestion 6 of 207. When constructing a triangle with two angles and the included side, what determines the third vertex?The length of the included sideThe intersection of the two angle armsThe radius of a circleThe altitude from the baseQuestion 7 of 208. If two angles of a triangle sum to 180° or more, what happens?A triangle is always formedA triangle cannot be formedAn equilateral triangle is formedA right-angled triangle is formedQuestion 8 of 209. If one angle in a triangle is 40°, what is the smallest value of the second angle for which a triangle does not exist?130°140°150°160°Question 9 of 2010. If two angles of a triangle are 36° and 72°, what is the third angle?72°82°92°108°Question 10 of 2011. Can an equilateral triangle be right-angled?YesNoOnly if sides are equalOnly if angles are 90°Question 11 of 2012. Which set of side lengths can form a triangle?2 cm, 2 cm, 5 cm3 cm, 4 cm, 6 cm2 cm, 4 cm, 8 cm10 cm, 20 cm, 35 cmQuestion 12 of 2013. What is the measure of each angle in an equilateral triangle?60°90°120°180°Question 13 of 2014. What is the height of a triangle with respect to vertex A and base BC?The length of side ABThe length of the perpendicular from A to BCThe length of side ACThe length of the base BCQuestion 14 of 2015. Which type of triangle has one obtuse angle?Acute-angledRight-angledObtuse-angledEquilateralQuestion 15 of 2016. In a triangle with ∠B = ∠C and ∠A = 50°, what is the measure of ∠B?50°65°70°80°Question 16 of 2017. What method can verify the angle sum property using a paper triangle?Measuring each angleFolding the triangle to align anglesCutting the triangle into piecesDrawing a circle around the triangleQuestion 17 of 2018. When constructing a triangle with sides 3 cm, 75°, and 7 cm, what is the included measurement?3 cm75°7 cmNone of theseQuestion 18 of 2019. If two angles of a triangle are 90° and 85°, can a triangle be formed?YesNoOnly if the third angle is acuteOnly if the sides are equalQuestion 19 of 2020. What is the shortest path between two points in a triangle according to the text?The roundabout path via a third pointThe direct straight-line pathThe path along the altitudeThe path along the baseQuestion 20 of 20 Loading...
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