Home
Class 10
MATHS
In the trapezium ABCD, AB || CD, AB = 2 ...

In the trapezium ABCD, `AB || CD`, `AB = 2 CD` and `ar(Delta AOB) = 84 cm^(2)`, find the area of `Delta COD`.

Text Solution

Verified by Experts

The correct Answer is:
`21 cm^(2)`
Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    OSWAAL PUBLICATION|Exercise TOPIC-3 AREA OF SIMILAR TRIANGLES (LONG ANSWER TYPE QUESTIONS)|3 Videos
  • TRIANGLES

    OSWAAL PUBLICATION|Exercise TOPIC-3 AREA OF SIMILAR TRIANGLES (LONG ANSWER TYPE QUESTIONS-(II))|2 Videos
  • TRIANGLES

    OSWAAL PUBLICATION|Exercise TOPIC-3 AREA OF SIMILAR TRIANGLES (VERY SHORT ANSWER TYPE QUESTIONS)|6 Videos
  • SURFACE AREA AND VOLUMES

    OSWAAL PUBLICATION|Exercise EXERCISE 15.5|5 Videos

Similar Questions

Explore conceptually related problems

If Delta ABC ~ Delta DEF, BC = 3cm, EF = 4cm, and Area of Delta ABC = 54 cm^(2) , then Area of Delta DEF is

In a trapezium ABCD, AB || CD If OA = 3x - 19 OC = 3 - 5 BO = x - 3 and OD = 3 , find x

AX an BY are perpendiculars to segment XY . If AO = 5 cm , BO = 7 cm and Area of Delta AOX= 150 cm^2 , find the area of Delta BOY .

In a Delta ABC , XY || BC and XY = 1/2 BC . If the area of Delta AXY = 10 cm^(2) . Find the area of trapezium XYCB.

In the trapezium ABCD, AB || DC and Delta ARD - Delta BEC . Then Prove that AD = BC.

In an isosceles triangle ABC, if AB = AC = 25 cm and altitude from A on BC is 24 cm, find BC.

In the figure , if AB = CD and angle AOB =90^@ find angle COD

In Delta ABC , CD _|_ AB , CA = 2 AD and BD = 3 AD . Prove that /_ BCA = 90^(@)

In Delta ABC = 90^(@) , BD _|_ AC . If BD = 8 cm and AD = 4 cm , find CD.