12/08/2020 1:53 am
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Geometry
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In triangle ABC, two lines DE and FG are drawn parallel to BC such that they divide AC in the ratio 2:3:5. Find the ratio of area of triangle ABC to area of the trapezium DEGF.
10 questions & discussions are there under this sub-topic
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12/08/2020 1:53 am
Topic starter
In a trapezium ABCD, AD||BC, ∠DAB and ∠ADC are acute angles. If AB and DC are extended to intersect at E and then perpendicular from E is drawn to AD. The perpendicular gets bisected by BC. If AB = 8 cm and AD = 10 cm, then what is the value of 2AC² + BD²?
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12/08/2020 1:56 am
Topic starter
The non-parallel sides of a trapezium of perimeter 34 cm are equal. The line segment joining the mid-points of the non-parallel sides is 12 cm. If the ratio of the area of the trapezium above this line to the area of the trapezium below this line is 7:9, what is the area of the trapezium?
A)24 cm²
B)128 cm²
C)48 cm²
D)96 cm²
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12/08/2020 1:53 am
Topic starter
An equilateral triangle PQR of side 25 cm is divided into 2 parts such that one of them is an equilateral triangle containing one of the vertices of the original triangle and the other remaining part is a trapezium. What is the perimeter of the parallelogram formed when two such trapeziums are placed together?
A)Cannot be determined
B)100
C)200
D)150
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12/08/2020 1:54 am
Topic starter
In a trapezium PQRS, PQ is parallel to RS, PQ = 20 cm, RS = 3 cm, PQR = 30° and QPS = 60°. What is the length of the line joining the midpoints of PQ and RS?
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12/08/2020 1:56 am
Topic starter
For a trapezium, S1 denotes the sum of the squares of the sides and S2 denotes the sum of the squares of the diagonals. S1 – S2 = 576. If the longer parallel side is 50 cm, the shorter parallel side is _______.
Options:
1.26 cm
2.22 cm
3.18 cm
4.30 cm
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12/08/2020 1:57 am
Topic starter
The length of the line joining the midpoints of the non-parallel sides of an isosceles trapezium is 24. If the aforementioned line divides the trapezium in two parts with the areas in ratio 7 : 9, then what is the absolute difference (in cm) between the parallel sides of the trapezium?
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12/08/2020 2:02 am
Topic starter
ABCD is a trapezium AB||CD . M is the mid point on AD and N on BC. O is the point on MN . Area of triangle BNO =4 cm² and DMO = 3cm² . What is the Area of ABCD ?
This post was modified 4 years ago by TG Team
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12/08/2020 2:05 am
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Given that AD // PQ // BC, and PQ divides Trapezium ABCD into two equal areas. Find the length of PQ.
0
09/08/2024 6:15 pm
The ratio of the volulme of the first and second cylinder is 32:9 and the ratio of their heights is 8:9. If the area of the base of the second cylinder is 616 c , then what will be the radius of the first cylinder?
1.24 cm
2.20 cm
3. 28 cm
4. 36 cm
-1
12/08/2020 1:56 am
Topic starter
In a trapezium ABCD, AB||CD, AB = 2010 cm, CD = 1000 cm, ∠DAB = 40° and ∠ABC = 50°. What is the length of the line joining the midpoints of AB and CD?
1) 1000 cm
2) 1010 cm
3) 504 cm
4) 505 cm
5) None of these