You have to show that `triangleAMP` `narr=` `triangleAMQ`. In the following proof, supply the missing reasons.

You want to show that triangleART ~= trianglePEN ,: If you have to use SSS criterion, then you need to show

Four elements A, B, C and D have atomic numbers 12, 13, 14 and 15 respectively. Answer the following questions giving reasons : (i) What is the number of valence electrons and valency of D? (ii) Which of them will have largest atomic radii ? (iii) Which of these elements will form the most basic oxide ?

A class has 175 students. The following table shows the number of students studying one or more of the following subjects in this case. How many students are enrolled in Mathematics alone, Physics alone and Chemistry alone? Are there students who have not offered any one of these subjects?

The transverse section of a plant material shows the following anatomical features, (a) the vascular bundles are conjoint, scattered and surrounded by sclerenchymatous bundle sheaths (b) phloem parenchyma is absent. What will you identify it as?

State whether the Or' used in the following statements is exclusive or " inclusive Give reason for your answer. (i) All intergers are positive or negative (ii) To apply for a driving licence , you should have a ration card or a passport .

Try to construct triangles using match sticks. Some are shown here. Can you make a triangle with (a) 3 matchsticks? (Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.

Try to construct triangles using match sticks. Some are shown here. Can you make a triangle with (b) 4 matchsticks? (Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.

Try to construct triangles using match sticks. Some are shown here. Can you make a triangle with (c) 5 matchsticks? (Remember you have to use all the available matchsticks in each case) Name the type of triangle in each case. If you cannot make a triangle, think of reasons for it.