Question

Sub: ML Topic: Congruent Triangles CLASS: IX

MM: 08 Visiting to a shop for buying TIME: 20min

As it is well known today that due to an epidemic infection running everywhere in our country & in other different countries Covid -19,noble corona virus infection ,social distancing is needed everywhere to make people protected from corona infection,atleast 1m distance is to be maintained everywhere in our day to day concern ,wearing face mask & using hand sensitizer always. In this connection in every shop there are spots made by using chalk powder in each shop to stand on the markedplace so specified for customers to maintain social distancing .In Saharsa ,a town of Bihar state in a shop of “KIRANA ITEMS “these circles are made in triangular shapes in pairs at a gap of 1m .as shown below where one such pair of triangles are shown: -



If Ram, Mohan&shyam are standing at 3 vertices of one Triangle where as Sita,Gita& Rita are standing at 3vertices of another triangle. Now observing the figures &information given there, answer the following questions

1) Write 3 pairs of matching parts (respective parts) .

2) Are these two triangles congruent? If yes, then by which congruence condition?

3) Which type of these trianglesare?

4) What is the measure of each angle of the triangles? & also write the full forms of CPCT.









Sub;ML Topic: Quadrilaterals CLASS: IX

MM:08 MATHEMATICAL GARDEN TIME:20min

Now the time has come when we need to have some innovational works are required in our education system. In new education policy so implemented currently by our Govt.in which there is a stress in making Innovational ideas and students are to be made to be skill in application part rather than theory part. In this connection in our KVS,One K V has set up his Mathematical Garden, which was viral on face book & other social media .Really it is a highly innovational thinking of people involved in it in the growing of such a nice mathematical garden using herbs & green grasses, under in our KVS Patna region which is highly appreciated by other KVs & KVS (HQ) too. Herbs & green grasses are planted and grown in different mathematical shaped very nicely which looks very good, some of them in the shape of quadrilaterals are shown below

Now observing above figures & information’s given there, answer the following questions

1) Which quadrilateral is first one?

2) Which quadrilateral is second one?

3) Which quadrilateral is third one?

4) How would you correlate 1st&3rd with 2nd figure? (Write your answer in one word

Or maximum in one sentence)​

Answer 1

You have not attached the figures.