Law of Sines (Sec 8-3) — Unit test

Question 1

In the parallelogram shown, AE = t + 2, CE = 3t − 14, and DE = 2t + 8.

Revolt · Accepted Answer

48 units

Question 2

On a coordinate plane, triangle X Y Z is shown. Point X is at (1, 3), point Y is at (4, negative 1), and point Z is at (5, 6).

Revolt · Accepted Answer

The slope of XZ is , the slope of XY is , and XZ = XY = 5.

Question 3

Complete the proof to show that ABCD is a parallelogram. The slope of is The slope of is The slope of is The slope of is

Revolt · Accepted Answer

slopes of opposite sides are equal

Question 4

Figure CDEF is a parallelogram.

Revolt · Accepted Answer

5

Question 5

For a craft project, two equilateral triangles are taped together to create a quadrilateral.

Revolt · Accepted Answer

rhombus

Law of Sines (Sec 8-3) — Unit test Answers