Question

The other option is 32

Answer 1

• Here, CD and DE are equal.
• Therefore, by the problem
• CD = DE
• or, 7a + 11 = 10a + 2
• or, 10a - 7a = 11 - 2
• or, 3a = 9
• or, a = 3
• Therefore, CD = 7a + 11 = 7(3) + 11 = 21 + 11 = 32

Answer:

32

Hope you could get an idea from here.

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