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CBSE Class 10 Answered

Please solve question no. 68
Asked by vikasg13.hardware | 29 Dec, 2017, 11:25: AM
answered-by-expert Expert Answer
begin mathsize 16px style In space triangle ALO space and space triangle DMO comma angle ALO equals angle DMO equals 90 degree angle AOL equals angle DOM space space left parenthesis VOA right parenthesis rightwards double arrow triangle ALO tilde triangle DMO rightwards double arrow AL over DM equals AO over DO Now comma space fraction numerator straight A left parenthesis triangle ALO right parenthesis over denominator straight A left parenthesis triangle DMO right parenthesis end fraction equals fraction numerator begin display style 1 half end style cross times BC cross times AL over denominator begin display style 1 half end style cross times BC cross times DM end fraction equals AL over DM equals AO over DO end style
Answered by Rashmi Khot | 30 Dec, 2017, 03:35: PM

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CBSE 10 - Maths
find area
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Asked by kashinigam382 | 05 Jan, 2024, 04:21: PM
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CBSE 10 - Maths
The areas of two similar triangles are 49 cm2 and 64 cm2 respectively. The ratio of their corresponding sides is ____.
Asked by priyanujt35 | 27 Jul, 2020, 09:13: AM
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CBSE 10 - Maths
pl solve this sum
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Asked by NSSORATHIYA sorathiya | 08 Mar, 2020, 10:16: AM
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CBSE 10 - Maths
Ij triangle ABC and BDE are equilateral triangles where D is the mid point of BC find the ratio of areas of triangle ABC BDE  
Asked by Sangsangapalian | 21 Sep, 2019, 09:34: AM
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CBSE 10 - Maths
  Two chords AB and CD of a circle meet at E inside the circle as shown in the figure, such that begin mathsize 12px style EC over AE equals BE over ED equals 1 third end style, begin mathsize 12px style angle BAC equals 50 degree. space Find space fraction numerator straight A left parenthesis increment AEB right parenthesis over denominator straight A left parenthesis increment DEC right parenthesis end fraction. end style
Asked by Topperlearning User | 05 Oct, 2017, 08:12: AM
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CBSE 10 - Maths
Perimeters of two similar triangles ABC and DEF are in the ratio 3 : 4. Prove that the ratio of their areas is 9 : 16
Asked by Topperlearning User | 03 Oct, 2017, 01:29: PM
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CBSE 10 - Maths
Perimeters of two similar triangles ABC and PQR  are in the ratio 4 : 5. If the sum of their areas is 164 cm2, find the area of each triangle.
Asked by Topperlearning User | 03 Oct, 2017, 01:30: PM
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CBSE 10 - Maths
The areas of two similar triangles ABC and PQR are in the ratio 4 : 9. If the sum of the perimeters is 30 m, find the perimeter of each triangle.
Asked by Topperlearning User | 03 Oct, 2017, 01:32: PM
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CBSE 10 - Maths
A student needs 5 paper triangles for some craft work such that side of the second triangle are twice the sides of the first triangle, sides of the third triangle are twice the sides of the second triangle and so on.. Find the ratio of areas of the first and the fifth triangles.
Asked by Topperlearning User | 03 Oct, 2017, 01:32: PM
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CBSE 10 - Maths
  An equilateral triangle is based on the side of a square of area 64 sq. cm and another on the diagonal of the same square. Find the ratio of their areas.
Asked by Topperlearning User | 03 Oct, 2017, 01:36: PM
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