The Pythagorean Theory

What is the unknown side length of this triangle?

• 7 cm

• 7.2 cm

• 7.5 cm

• 8 cm

Tags

CCSS.8.G.B.7

What is the unknown side length of this triangle?

• $\sqrt{45\ }$

• $\sqrt{77\ }$

• $\sqrt{91}$

• $\sqrt{100}$

Tags

CCSS.8.G.B.7

A kite has a short side of 5 cm and a long side of 10 cm. How long might be the stick that stretches from its top to its bottom? Remember: most kites do not have any right angles around their outside edges.

• 12.2 cm

• 14.4 cm

• 16.6 cm

• 18.8 cm

What is the length of the unknown side?

• 6.5 cm

• 7.2 cm

• 7.6 cm

• 8.2 cm

Tags

CCSS.8.G.B.7

What is the length of the unknown side?

• $\sqrt{110\ }$

• $\sqrt{145\ }$
  

• $\sqrt{161\ }$

• $\sqrt{163\ }$
  

Tags

CCSS.8.G.B.7

What is the length of the unknown side?

• $\sqrt{50\ }$

• $\sqrt{55\ }$

• 7.1 cm
  

• 7.7 cm
  

Tags

CCSS.8.G.B.7

The bases on a baseball diamond form a square. Annie threw a ball in a straight line from third base to first base. How far did she throw it?

Tags

CCSS.8.G.B.8

Which of the following are NOT a set of Pythagorean Triples?

• 7-24-25

• 8-40-41

• 12-35-37

• 8-15-17

Tags

CCSS.8.G.B.8

Each side of an equilateral triangle measures 12 cm. What is the height of the triangle?

Tags

CCSS.6.G.A.1

Quadrilateral ABED is made up of square ABCD and right isosceles △BCE. BE is a diameter of the circle with centre O. Point C is also on the circle. If the area of ABED is 24 cm2, what is the length of BE? Explain your thinking.