Triangle Properties

Which set of side lengths would make a triangle?

• 5 in, 9 in, 3 in

• 2 ft, 5 ft, 8 ft

• 4 cm, 3 cm, 6 cm

• 2 ft, 3 ft, 5 ft

Tags

CCSS.7.G.A.2

Which set of side lengths can form a triangle?

• 8.1 yd, 6.3 yd, 3.7 yd

• 9.2 yd, 5.0 yd, 15.3 yd

• 3.3 ft, 2.2 ft, 1.1 ft

• 5.3 in, 8.2 in, 2.4 in

Tags

CCSS.7.G.A.2

Would side lengths of 10 yards, 10 yards, and 10 yards form a triangle?

• yes

• no

Tags

CCSS.7.G.A.2

Is it possible for a triangle to have side lengths of 8 in, 8in, and 1 in?

• yes

• no

Tags

CCSS.7.G.A.2

Is it possible for a triangle to have side lengths of 6, 4, and 10?

• yes

• no

Tags

CCSS.7.G.A.2

Two sides of a triangle have lengths of 6 feet and 4 feet.

Choose ALL possible lengths that would make a triangle.

• 2 ft

• 4 ft

• 6 ft

• 8 ft

• 10 ft

Choose ALL possible side lengths of the third side of a triangle whose other two side lengths are 10 in. and 5 in.

• 5 in.

• 8 in.

• 10 in.

• 13 in.

• 19 in.

If two sides of a triangle measure 8 and 17, what range represents all possible side lengths of the third side?

_ < x < 25

(a)  

If two side lengths of a triangle measure 5 cm and 8 cm, what range represents all possible lengths of the third side?

3 cm < x < _cm

(a)  

If two sides of a triangle are 10in and 15in long, which option represents the range the third side can be?

• 10in < x < 15in

• 5in < x < 15in

• 10in < x < 25in

• 5in < x < 25in