Haneet Gandhi and Yukti Sharma Solutions for Chapter: Two-Dimensional Shapes Part-I, Exercise 3: PREVIOUS YEARS' QUESTIONS

Which one of the following statements is true?

While teaching 'shapes', a teacher can plan a trip to historical places, as:

A. it needs to provide leisure time as most of the syllabus has been completed in time.

B. it would be an opportunity to improve communication skills.

C. shapes are an integral part of every architecture and such trips encourage connections across disciplines.

D. field trips are recommended by Education Board, so must be organized.

Select the correct answer using the code given below.

How many sides does a regular polygon have if its each angle measure ${108}^o$.

According to the 'Van Hiele's level of Geometry' students who can describe and sort out shapes on the basis of appearance are at _____.

In Class VI, in the unit of 'Understanding Quadrilaterals', important results related to angle-sum property of quadrilaterals are introduced using paper folding activity followed by the exercise based on these properties. At this level proof of the angle property is not given, as the students of Class VI are at Van Hiele level of _____.

Children at the primary stage are able to classify the given shapes based on their appearance. According to Van Hiele's levels of geometry, they are at:

The base of an isosceles $△ABC$ is $48 cm$ and its area is $168 c{m}^2$. The length of one of its equal sides is _____.

The area of a trapezium-shaped field is $720 m^2$, the distance between the two parallel sides is $20 m$ and the length of one of the parallel sides is $35 m$. The length of the other parallel side is _____.