Home
Class 14
MATHS
The hypotenuse of a right-angled triangl...

The hypotenuse of a right-angled triangle is 39 cm and the difference between the other two sides is 21 cm. The area of this triangle is :
किसी समकोण त्रिभुज का कर्ण 39 cm है और अन्य दो भुजाओं का अंतर 21 cm है, तो त्रिभुज का क्षेत्रफल है?

A

270 sq. cm

B

450 sq. cm

C

540 sq. cm

D

180 sq. cm

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE - III|21 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise TYPE - IV|169 Videos

  • MENSURATION

    KIRAN PUBLICATION|Exercise Test Yourself|28 Videos

  • LCM AND HCF

    KIRAN PUBLICATION|Exercise Test Yourself |18 Videos

  • MISCELLANEOUS

    KIRAN PUBLICATION|Exercise TYPE-VI|15 Videos

Similar Questions

Explore conceptually related problems

One side of a right angled triangle is 20 cm and the difference in lengths of its hypotenuses & other side is 8cm. Find the other side and area of the triangle.

The base and hypotenuse of a right angle triangle is 9 cm and 41 cm respectively. What is the area of triangle ? किसी समकोण त्रिभुज का आधार तथा कर्ण क्रमशः 9 सेमी एवं 41 सेमी का है | त्रिभुज का क्षेत्रफल क्या होगा ?

The in-radius of a triangle is 6 cm, and the sum of the length of its sides is 50cm. The area of the triangle (in sq. cm) is एक त्रिभुज को अंतः त्रिज्या 6 सेमी है, तथा इसके भुजाओं के लंबाई का योग 50 सेमी है। त्रिभुज का क्षेत्रफल (वर्ग सेमी में) ज्ञात करें।

The perimeter of a right triangle is 60 cm and its hypotenuse is 26 cm. What is the area (in cm^2 ) of the triangle ? एक समकोण त्रिभुज की परिधि 60 cm है और इसका कर्ण 26 cm है। त्रिभुज का क्षेत्रफल ( cm^2 ) क्या है ?

The length of each equal side of an isosceles triangle is 15 cm and the included angle between those two sides is 90^@ . Find the area of the triangle. एक समद्विबाहु त्रिभुज की प्रत्येक बराबर भुजा की लंबाई 15 सेमी है तथा उनके बीच का कोण 90^@ है| इस त्रिभुज का क्षेत्रफल ज्ञात करें |

The area of a right angled triangle is 34 cm^2 and one of the sides containing the right angle is 6 cm. The altitude of the hypotenuse is- एक समकोण त्रिभुज का क्षेत्रफल 34 वर्ग सेमी है और समकोण बनाने वाली-एक भुजा 6 सेमी है, तो विकर्ण पर शीर्ष लंब की लंबाई ज्ञात करें?

If the height of an equilateral triangle is 12 cm, then what is the area of the triangle? यदि एक समबाह त्रिभुज की ऊंचाई 12 सेमी है, तो त्रिभुज का क्षेत्रफल कितना है?

PQR is a right angled triangle in which PQ = QR. If the hypotenuse of the triangle is 20 cm, then what is the area (in cm^2 ) of the triangle PQR? PQR एक समकोण त्रिभुज है जिसमें PQ = QR है। यदि त्रिभुज का कर्ण 20 से.मी. हैं त्रिभुज PQR का क्षेत्रफल ( से.मी.^2 में) क्या हैं?

The unequal side of an isosceles triangle is 2cm. The medians drawn to the equal sides are perpendicular. The area of the triangle is : एक समद्विबाहु त्रिभुज की असमान भुजा 2 सेमी की है | बराबर भुजाओं पर खींची गयी मध्यिकाएं लम्ब हैं | इस त्रिभुज का क्षेत्रफल ज्ञात करें |

KIRAN PUBLICATION-MENSURATION-TYPE -II
  1. The length of two parallel sides of a trapezium are 15 cm and 20 cm. I...

    Text Solution

    |

  2. ABCD is a square . Draw a triangle QBC on side BC considering BC as ba...

    Text Solution

    |

  3. The hypotenuse of a right-angled triangle is 39 cm and the difference ...

    Text Solution

    |

  4. The ratio between the length and the breadth of a rectangular park is ...

    Text Solution

    |

  5. A rectangular park 60 metre long and 40 mete wide has concrete crossro...

    Text Solution

    |

  6. A square and a regular hexagon are drawn such that all the vertices of...

    Text Solution

    |

  7. DeltaABC is similar to DeltaDEF. If area of DeltaABC is 9 sq.cm. and a...

    Text Solution

    |

  8. If D and E are the mid points of AB and AC respectively of DeltaABC, t...

    Text Solution

    |

  9. What is the area of dark (coloured) sector for the figure given below ...

    Text Solution

    |

  10. If two medians BE nd CF of a triangle ABC, intersect each other at G a...

    Text Solution

    |

  11. A room 16 m 5 cm long and 15m borad is to be fitted with equal square...

    Text Solution

    |

  12. Three equal circles of unit radius touch each other. Then, the area of...

    Text Solution

    |

  13. Area of the circle inscribed in a square of diagonal 6sqrt(2) cm.(in s...

    Text Solution

    |

  14. The length of a side of an equilateral triangle is 8 cm. The area of t...

    Text Solution

    |

  15. In Delta ABC and Delta PQR, angleB = angle Q, angleC = angle R. M is t...

    Text Solution

    |

  16. The diagonals of two squares are in the ratio of 3:7. What is the rati...

    Text Solution

    |

  17. A string of length 24 cm is bent first into a square and then into a r...

    Text Solution

    |

  18. ABCD is a square. Draw an equilateral triangle PBC on side BC consider...

    Text Solution

    |

  19. If D, E and F are the mid-points of the sides of an equilateral triang...

    Text Solution

    |

  20. The area of a rectangle is 60 cm^(2) and its perimeter is 34 cm, then ...

    Text Solution

    |