Question

Anyone good at geometry ??? Please help

Answer 1

Explanation:

<ABD = arcsin 1/5 = 11.5 degree

so <DBC = 90 - 11.5 = 78.5 degree

BD = Square root (5^2 - 1^2) = 4.9

DC = 4.9 * tan 78.5 = 24 (rounded!)

AC = 1 + 24 =25