Sum of the Interior Angles of a Triangles, Triangle Classification and Properties of Isosceles Triangles

ΔHIT has angles where ∠H = x+15, ∠I = x, and ∠T = 3x. Find the value of x.

Classify each of the triangles below by sides and angles.

*Note, you will NOT use all options.

Classify each of the triangles below by sides and angles.

*Note, you will NOT use all options.

Classify each of the triangles below by sides and angles.

*Note, you will NOT use all options.

Find the value of x and y in the picture below.

Given that ΔABC is equiangular, m∠C = (19x+3)°, and BC = x+2, find x and the length of BC.

Rate your understanding of the learning targets on this skills check. (1 lowest, 4 highest)