10 A triangular prism and its dimensions are shown in the diagram. 5 cm
5 cm
8 cm
6 cm
What is the lateral surface area of this triangular prism in square centimeters?

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.

1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.