b) Prove the following by vector method. Measure of the angle between two diagonals of a cube is \( \cos ^{-1} \frac{1}{3} \)

Find the distance between the points \( (2,0) \) and \( (10,2) \). Write your answer as a whole number or a fully simplified radical e not round.

A large pizza has a diameter of 16 inches. Which of the following is the area of the pizza in terms of pi \( (\pi) \) ? \( 256 \pi \mathrm{in}^{2} \) \( 32 \pi \mathrm{in}^{2} \) \( \mathrm{in}^{2} \)

ind the distance between the points \( (8,10) \) and \( (1,3) \). White your answer as a whole number or a fully simplified radical expression. Do ot round. units

\( V=b \times h=30 \times 2 \), or 60 cubic inches (1) Ted's box is 4 inches tall, 3 inches long, and 1 inch wride a. Label the picture of the box with its dimensions b. What is the volume of the box? Show your work.

Find the distance between the points \( (-5,-5) \) and \( (0,7) \)