Home
Class 9
MATHS
ABC is an equilateral triangle with side...

ABC is an equilateral triangle with side 10 cm. The perimeter of the triangle formed by joining the midpoints of the sides of `Delta ABC` is

A

30cm

B

20cm

C

15cm

D

5cm

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PROOFS IN MATHEMATICS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|98 Videos
  • REAL NUMBERS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|269 Videos

Similar Questions

Explore conceptually related problems

Area of an equilateral triangle whose side is 2 cm is

Draw an equilateral triangle whose sides are 3.8 cm.

The side of an equilateral triangle is 4.5 km then its perimeter is

Draw an equilateral triangle whose sides are 5.2 cm. each

Assertion (A) : The radius of the circle inscribed in the triangle obtained by joining the middle points of the sides of Delta ABC is equal to half the radius of incircle of Delta ABC Reason (R ) : In Delta ABC, D,E,F be midpoints of the sides of Delta ABC , Delta ' , 2s' denotes area and perimeter of Delta DEF " then " Delta ' = Delta//4 and s' =s//2

If the area of the triangle formed by joining the midpoints of the sides of DeltaABC is 5 sq.unit, then the area of DeltaABC is

Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is the length of third side?

Assertion (A) : The radius of the circle inscribed in the triangle obtained by joining the middle points of the sides of DeltaABC is equal to half the radius of incircle of DeltaABC Reasons (R): In DeltaABC D, E, F be midpoints of the sides of DeltaABC, Delta 2s s denote area and perimeter of DeltaDEF then Delta=Delta//4= and s=s//2

Find the side of the equilateral triangle whose perimeter is 54 cm

VGS PUBLICATION-BRILLIANT-QUADRILATERALS-EXERCISE
  1. A diagonal of a parallelogram divides It Into two

    Text Solution

    |

  2. The angle bisectors of a parallelogram form a

    Text Solution

    |

  3. In the parallelogram PQRS, angleP = 40^@ , then angleR=

    Text Solution

    |

  4. The ratio of two consecutive angles of a parallelogram is 1:2 then the...

    Text Solution

    |

  5. ABCD is a parallelogram if angleBAD=110^@ then angleDCE =

    Text Solution

    |

  6. In the parallelogram PQRS, 1/2 angleP + 1/2 angle Q =

    Text Solution

    |

  7. ABC is an equilateral triangle with side 10 cm. The perimeter of the t...

    Text Solution

    |

  8. The quadrilateral in which the dlagonals are equal but not perpendicul...

    Text Solution

    |

  9. From the adjacent figure PQ I\I RS , angle RPQ = 52^@ , angle RPS = 6...

    Text Solution

    |

  10. In a parallelogram, If one set of opposite angles are complementary, t...

    Text Solution

    |

  11. In the given figure AB |\| CD , AB = CD. barAC and barBD intersects at...

    Text Solution

    |

  12. In rectangleABCD if BC |\| AD , and bar(BD) is a transversal, angleADB...

    Text Solution

    |

  13. In rectangleKLMN,KM Is the diagonal, then angleKML=

    Text Solution

    |

  14. In rectanglePQRS , bar(PX) and bar(QY) are the angle bisectors at angl...

    Text Solution

    |

  15. Which of following is not correct?

    Text Solution

    |

  16. In rectangleABCD if bar(AB) |\| bar(CD) then angleA and angleD are

    Text Solution

    |

  17. In the rectangle ABCD, X, Y are the mid points of barCD , barAD respec...

    Text Solution

    |

  18. In the rectangle ABCD, X, Y are the mid points of barCD , barAD respec...

    Text Solution

    |

  19. From a rectangular shape of paper If you cut 3 triangles the area of b...

    Text Solution

    |

  20. In a rhombus a diagonal divides it into

    Text Solution

    |