Question

Help its due in 15 mins ​

Answer 1

`√(44) = 2√(11)`

Explanation:

Apply pythagorean theorem:

ABD is a right triangle with angle ADB = 90

hence AD =
`\sqrt{AB^(2) - BD^(2) }` where BD = 10 because it is half of BC

AD =
`\sqrt{12^(2)-10^(2) }` =
`√(44) = 2√(11)`