2-82. Solve each system of equation below. Then verify that your solution makes each equation true.
2-83. List a sequence of transformations that demonstrates ABCD ~ WXYZ , then find y and z.
2-84. Use what you know about the sum of the angles of a triangle to find m∠ABC and m∠BAC. Are these angles acute
or obtuse? Find the sum of these two angles. How can you describe the relationship of these two angles?
2-92. Solve for the missing lengths in the sets of similar figures below. You may want to set up tables to help you write
equations.
2-94. Rewrite the statements below into conditional (“If …, then …”) form.
a.
2-94. Rewrite the statements beThe area of a rectangle with base x and height 2x is 2x2 .
b.
The perimeter of a rectangle with base x and height 3y is 2x+6y .
c.
A rectangle with base 2 feet and height 3 feet has an area of 864 square inches.