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The sides of a triangle measure 15 cm ,3...

The sides of a triangle measure 15 cm ,36cm and 39cmShow that it is a right angled triangle.
Hint`.(39)^(2)-(36)^(2)=(39+36)(39-336)=(75xx3)=(5xx3xx3)=(5xxx3)^(2)=(15)^(2)`

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RS AGGARWAL-PROPERTIES OF TRIANGLES-EXERCISE 15-D
  1. Find the length of the hypotenuse of a rigt triangle,the other two sid...

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  2. The ypotenuse of a right trianle is 26cm long. If one of the remaining...

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  3. The length of one side of a right triangle 4.5 cm and the length of it...

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  4. The two legs of a right triangle are equal and the square of its hypot...

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  5. The sides of a triangle measure 15 cm ,36cm and 39cmShow that it is a ...

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  6. In right triangleABC the lengths of its legs are given as a=6cm and b=...

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  7. The length of the sides of some triangles aregiven below .Which of the...

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  8. In a triangle ABC,angleB=35^(@) and angleC=55^(@).Write of the followi...

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  9. A 15-m long ladder is placed against a wall to reach a window 12 m hig...

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  10. A 5-m long ladder when set against the wall of a house reaches a heigh...

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  11. एक पेड़ भूमि से 5m की ऊंचाई पर टूट जाता है और उसका ऊपरी सूरा भूमि को उस...

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  12. Two poles 18m and 13 m high stand upright in a playground If their fee...

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  13. A man goes 35m due west and then 12 m due north. How far is he from th...

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  14. A man goes 3 km due north and then 4 km due east.How far is away from ...

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  15. Find the length of diaonal of the rectangle whose sides are 16 cm and ...

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  16. Find the perimeer of the rectangle whose length is 40 cm and diagonal ...

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  17. Find the perimeter of a rhombus ,the lengths of whose diagonal are 16c...

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  18. Fill in the blanks: In a right triangle,the square of the hypotenuse i...

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