MCQ Maths Class 7 Chapter 7 Ganita Prakash NCERT Advertisement A Tale of Three Intersecting Lines 1. What is the minimum number of sides required to form a triangle?2345Question 1 of 202. How are the angles of a triangle ABC typically denoted?∠ABC, ∠BCA, ∠CAB∠A, ∠B, ∠C∠1, ∠2, ∠3∠X, ∠Y, ∠ZQuestion 2 of 203. What happens when the three vertices of a triangle lie on a straight line?A triangle is formedA triangle cannot be formedAn equilateral triangle is formedAn isosceles triangle is formedQuestion 3 of 204. What is a characteristic of an equilateral triangle?Two sides are equalAll sides are of equal lengthNo sides are equalOne angle is 90°Question 4 of 205. What tool is recommended to efficiently construct an equilateral triangle with sides of 4 cm?Ruler onlyCompass and rulerSet squareProtractorQuestion 5 of 206. In constructing an equilateral triangle with side length 4 cm, what is the radius of the arcs drawn from points A and B?2 cm3 cm4 cm5 cmQuestion 6 of 207. When constructing a triangle with side lengths 4 cm, 5 cm, and 6 cm, what is the first step?Draw an arc of 5 cmDraw a base of 4 cmDraw an angle of 60°Draw a circle of radius 6 cmQuestion 7 of 208. What type of triangle has two sides of equal length?EquilateralIsoscelesScaleneRight-angledQuestion 8 of 209. Which set of side lengths cannot form a triangle?3 cm, 4 cm, 5 cm3 cm, 4 cm, 8 cm4 cm, 4 cm, 6 cm3.5 cm, 3.5 cm, 3.5 cmQuestion 9 of 2010. What is the triangle inequality rule for side lengths a, b, and c?a + b < ca + b > ca + b = ca + b ≤ cQuestion 10 of 2011. For side lengths 10 cm, 15 cm, and 30 cm, why can’t a triangle be formed?10 + 15 > 3010 + 15 < 3010 + 15 = 3010 + 30 > 15Question 11 of 2012. Which set of side lengths satisfies the triangle inequality?2 cm, 3 cm, 6 cm3 cm, 4 cm, 8 cm4 cm, 5 cm, 8 cm10 cm, 15 cm, 30 cmQuestion 12 of 2013. When constructing a triangle with sides 4 cm, 5 cm, and 8 cm, why do the circles intersect?Sum of smaller sides equals the longest sideSum of smaller sides is less than the longest sideSum of smaller sides is greater than the longest sideSum of smaller sides is zeroQuestion 13 of 2014. What happens when the sum of the two smaller side lengths equals the longest side length?Circles intersect internallyCircles touch each other at a pointCircles do not intersectA right-angled triangle is formedQuestion 14 of 2015. Which set of side lengths results in circles that do not intersect during construction?4 cm, 5 cm, 8 cm2 cm, 3 cm, 6 cm3 cm, 4 cm, 7 cm5 cm, 5 cm, 8 cmQuestion 15 of 2016. What is the sum of the angles in any triangle?90°180°270°360°Question 16 of 2017. If two angles of a triangle are 50° and 60°, what is the third angle?60°70°80°90°Question 17 of 2018. What is an exterior angle of a triangle?The angle between two sides inside the triangleThe angle formed by extending one side and the adjacent sideThe angle at the vertex of the triangleThe angle formed by two altitudesQuestion 18 of 2019. If ∠A = 50° and ∠B = 60° in a triangle, what is the measure of the exterior angle at vertex C?90°100°110°120°Question 19 of 2020. What is the altitude of a triangle?A line segment connecting two verticesA perpendicular line segment from a vertex to the opposite sideA line segment bisecting an angleA line segment parallel to the baseQuestion 20 of 20 Loading...
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