Exercise 6.3 Question 2 Class 10
In figure, Δ ODC ~ Δ OBA, ∠ BOC = 125° and ∠ CDO = 70°. Find ∠ DOC, ∠ DCO and ∠ OAB.
HINT of Question 2 of Exercise 6.3 class 10:
Theorem 6.1 :
If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same ratio.
Theorem 6.2 :
If a line divides any two sides of a triangle in the same ratio, then the line is parallel to the third side.
Read it :
INTRODUCTION
1.Two figures are said to be congruent, if they have the same shape and the same size.
2.Two figures having the same shape (and not necessarily the same size) are called similar figures.
3.All congruent figures are similar but the similar figures need not be congruent.
4.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 6.3 Question 2.
Practice :
The diagonals of a quadrilateral ABCD intersect each other at the point O such that
AO / BO = CO / DO. Show that ABCD is a trapezium.
• The diagonals of a qua...
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Circles:
• Circles- class 10th NCERT
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• Real Numbers - Class 10th
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• Polynomials- Class 10th
Quadratic Equation
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Trigonometry
• Trigonometry - Class 10th
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