If m_ABD = 70°, what are mŁABC and mZDBC?​

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

If a distance of 75 yds is measured back from the edge of the canyon and two angles are measured , find the distance across the canyon angle acb = 50° angle abc=100° a=75 yds what does c equal?

What is the area of this parallelogram? 434.28 cm2 263.67 cm2 527.34 cm2 217.14 cm2