question_answer17) Prove that the area of the triangle BCE described on one side BC of a square ABCD as base is one half of the area of the similar triangle ACF described on the diagonal AC as base. OR ABC is a right triangle with right angle at C. Let BC = a, CA = b, AB = c and let p be the length of the perpendicular from C on AB. Prove that cp = ab.View Answer play_arrow
|x||:||2||4||6||10||p + 5|
question_answer22) Half the perimeter of a garden, whose length is 4 more than its width is 36 m. Find the dimensions of the garden, OR Draw the graph of 2x + y = 6 and 2x - y + 2 = 0. Shade the region bounded by these lines and the x-axis.View Answer play_arrow
question_answer33) If a line is drawn parallel to one side of a triangle, the other two sides are divided in the same ratio, prove it. Use this result to prove the following : In the given figure, if ABCD is a trapezium withthen OR State and prove converse of Pythagoras theorem and hence show that in an isosceles triangle ABC with AC = BC and AB2 = 2AC2, prove thatView Answer play_arrow
|Marks||No. of students|
|less than 10 less than 20 less than 30 less than 40 less than 50 less than 60 less than 70 less than 80||7 21 34 46 66 77 92 100|
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