1.	Classify by its angles and sides.
		A.	obtuse isosceles	B.	obtuse equilateral
		C.	acute equilateral	D.	acute isosceles
		Hint
	2.	Find in .
		A.	103°	B.	41°
		C.	62°	D.	131°
		Hint
	3.	The measures of the angles of a certain triangle are in the ratio 10:11:15. What are the measures of the angles?
		A.	60°, 66°, 90°	B.	42°, 64°, 74°
		C.	50°, 55°, 75°	D.	57°, 60°, 63°
		Hint
	4.	Classify the triangle by its angles and by its sides.
		A.	acute, equilateral	B.	acute, isosceles
		C.	right, scalene	D.	right, isosceles
		Hint
	5.	Classify the triangle by its angles and by its sides.
		A.	right, scalene	B.	acute, equilateral
		C.	right, isosceles	D.	obtuse, scalene
		Hint