13. Consider a rectangle shown, divided into two congruent triangles. The length of the
rectangle is twice its breadth.If the length is 14 cm, what is the area of each triangle?
A. 21 cm2
B. 49 cm?
C.98 cm
D. 196 cm?
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Given : A rectangle divided into two equal triangles
The length of the rectangle is twice the breadth
the length is 14 cm,
To find : the area of each triangle
Solution:
Breadth of rectangle = x cm
Length of rectangle = 2x cm
2x = 14
=> x = 7 cm
Breadth = 7 cm
length = 14 cm
Area of triangle = (1/2) * base * height
= (1/2) * 7 * 14
= 49 cm²
Area of a triangle is 49 cm²
Correct option B. 49 cm²
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