Given: \overline{AC} \cong \overline{BD} AC
≅
BD
and \overline{DA} \cong \overline{CB}
DA
≅
CB

Prove: \triangle ABC \cong \triangle BAD△ABC≅△BAD.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units

Caitlin had 402. in her bank account.she withdrew $15.each week to pay for swimming lesson. she now has $237.