If a triangle and a rhombus are on the same base and between the same parallels then the ratio of the areas of the triangle and the rhombus is ?
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Answers
Step-by-step explanation:
Given:-
A triangle and a rhombus are on the same base and between the same parallels.
To find:-
Find the ratio of the areas of the triangle and the rhombus ?
Solution :-
See the above attachment
Given that
A triangle and a rhombus are on the same base and between the same parallels.
From the above figure ,
∆ABC and ABEF are the triangle and rhombus and they are on the samne bse AB and the same Parallels AB and EF.
Draw a Parallel line BH to AC from B and extend it to H so that it intersects FE.
AB || CH
AC || BH
It is a Parallelogram
ABHC is a Parallelogram
And we know that
Rhombus is a special type of Parallelogram
BC divides ABHC into two congruent triangles
=> ∆ABC is congruent to ∆ BHC
=> area (∆ABC) = area (∆BCH)
=> area (∆ABC) = 1/2(Area (ABHC))
=> area (∆ABC) = (1/2) × Area (ABEF)
=> Area (ABEF) = 2× Area (∆ABC)
Since ABHC and ABEF are lie on the same Parallels AB||EF
Now the ratio of the areas of the triangle and the rhombus
=> area (∆ABC):area (ABEF)
=> area (∆ABC):2 area(∆ABC)
=> 1:2
Answer:-
The ratio of the areas of the triangle and the rhombus is 1:2
Used formulae:-
- Two pairs of opposite sides are parallel and equal in a Parallelogram
- Two pairs of opposite sides are parallel and equal in a rhombus ,so It is a special type of Parallelogram.
Answer:
The ratio of the areas of the triangle and the rhombus on the same base and between same parallels is 1:2
Step-by-step explanation:
Given:
ΔCDE and rhombus ABCD are on the same base CD and between same parallels AB and CD.
To find:
Ar. ΔCDE : Ar. rhombus ABCD
As we know that:
- If a triangle and a parallelogram are on the same base and between the same parallels then
- Rhombus is a type of parallelogram in which all sides are equal.
Solution:
∵ ΔCDE and rhombus ABCD are on the same base CD and between same parallels AB and CD.