ABC and DBC are two triangles on the same base BC. If AD intersects | Exercise 6.4 Q3 class 10

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Exercise 6.4 Question 3 Class 10
ABC and DBC are two triangles on the same base BC. If AD intersects BC at O show that (ar(ABC))/(ar(DBC))=AO/DO

HINT of Q3 of exercise 6.4 class 10
CONSTRUCTION
Draw perpendicular from A on BC and from D on BC

Read it :
INTRODUCTION
Two figures are said to be congruent, if they have the same shape and the same size.
Two figures having the same shape (and not necessarily the same size) are called similar figures.
All congruent figures are similar but the similar figures need not be congruent.
Two polygons of the same number of sides are similar, if (i) their corresponding angles are equal and (ii) their corresponding sides are in the same ratio (or proportion)

Note📝
The above question is taken from NCERT class 10 chapter Triangles Exercise 6.4 Question 2.

Practice :
Diagonals of a trapezium ABCD with AB || DC intersect each other at the point O. If AB = 2 CD, find the ratio of the areas of triangles AOB and COD.

Revise✍🏻:
Circles:

Real Numbers:

Polynomials

Quadratic Equation

Trigonometry

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