Which of the following sets of side lengths could form a triangle?

5 in., 19 in., 23 in.
51 in., 54 in., 110 in.
20 in., 44 in., 65 in
2 ft., 4 ft., 60 ft.

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.