Pythagorean Theorem in 3D Figures

What is the length of the diagonal on page 69, "Pythagorean Theorem in 3D"? Round to the nearest tenth if necessary.

• 9.8 in.

• 12.8 cm

• 10.8 in.

• 18.8 ft

What's the 'Trick' in this problem?

• Converting Units

• Diameter needs to be halved to find radius

• Pythagorean Theorem necessary to find Height

• Need to split the shape into two figures

Solve for d.

• 18

• 17

• 12.8

• 19.7

Find the length of CE in the shape pictured below, giving your answer to 2 significant figures.

What is the approximate width of the base?

• 7 ft

• 5 ft

• 3 ft

• 2 ft

Solve for the distance of PQ

• 12.4

• 19

• 5

• 13

7.) Find the value of x in the cone

Find the value of x in the cone

Find the length of OC in the shape pictured below where O is the centre of the base ABCD.

Give your answer to 2 significant figures.

Solve for AG

• 15

• 9.1

• 8.6

• 7.6