In the figure, ABCD is a rectangle and DEC is an equilateral triangle. Area of ADEC is : 0.8 D. C 8 cm E A B 6 cm (D) 9 13 cm (C) 12 13 cm cm (A) 36 13 cm? (B) 48 cm?
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Answered by
1
Answer:
option A
Step-by-step explanation:
an equilateral triangle has a base 6cm
coz, the base and breadth of the rectangle are same as in 6cm
area of a triangle is (h*l*0.5)
as in
(6*6*0.5)=(36*0.5)=18cm
so, option a is correct
Answered by
2
Answer:
option d is correct
9√3 cm 2
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