In ΔABC, E and D are points on sides AB and AC, respectively, such that ∠ABC = ∠ADE. If AE = 6 cm, AD = 4 cm and EB = 4 cm, then the length of DC is:
A. 11 cm
B. 8 cm
C. 9.5 cm
D. 10 cm
Answer: Option A
A. 11 cm
B. 8 cm
C. 9.5 cm
D. 10 cm
Answer: Option A
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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