Grade 8A End of Pythagoras Unit - Extra Credit

The length of BD is:

• 3 cm

• $2\sqrt{3}\ cm$

• $3\sqrt{2}\ cm$

• 6 cm

(BH) is height in triangle BDC, The length of BC is:

• 4 cm

• 5 cm

• 6 cm

• 7 cm

ABC is an equilateral triangle of side 2 cm, then AH =

• $\sqrt{5}\ cm$

• $\sqrt{3}\ cm$

• $2\sqrt{2}\ cm$

• 3 cm

The length of AD is ....

• 15 cm

• 17 cm

• 18 cm

• 20 cm

The side length of the CD in the following shape is ....

• 9

• 10

• 12

• 13

Pak Amir owns a triangular land as in the following picture. Calculate the area of the land.

• 96 m²

• 120 m²

• 192 m²

• 240 m²

Casey travels from her house directly West to the bank and then directly North from the bank to the mall. She then travels home on the road connecting the mall and her house. What is her total distance traveled?

• 17 miles

• 32 miles

• 37 miles

• 40 miles

Mr. Brooks wants to know the height of a pole in his yard. He knows that he can use the Pythagorean Theorem which is a²+b²=c². Which drawing below represents a model he could use to find the height of the pole?

• 
• 
• 
• 

In the triangle PQR the length of PQ = QR = 13 cm and QT = 12 cm.

Calculate the length PR

• 7 cm

• 10 cm

• 14 cm

• 20 cm

Find the length of b in this triangle.

• 31
• 36
• 60
• 62