ABC and BDE are two equilateral triangles such that D is the mid-point of BC. If the area of triangle ABC is 136 cm2, then the area of triangle BDE is equal to:
A. 36 cm2
B. 34 cm2
C. 38 cm2
D. 24 cm2
Answer: Option B
A. 36 cm2
B. 34 cm2
C. 38 cm2
D. 24 cm2
Answer: Option B
A. $$\frac{{23\sqrt {21} }}{4}$$
B. $$\frac{{15\sqrt {21} }}{4}$$
C. $$\frac{{17\sqrt {21} }}{5}$$
D. $$\frac{{23\sqrt {21} }}{5}$$
In the given figure, ∠ONY = 50° and ∠OMY = 15°. Then the value of the ∠MON is
A. 30°
B. 40°
C. 20°
D. 70°
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