Week 10: Problem Solving With Trigonometry

Question 1

The coordinates of the vertices of the triangle are (–8, 8), (–8, –4), and .

Revolt · Accepted Answer

(10, –4); The coordinates of the vertices of the triangle are (–8, 8), (–8, –4), and .: (10, –4); Consider QR the base of the triangle. The measure of the base is b = 18 units, and the measure of the height is h = units.: 12; The area of triangle PQR is square units.: 108

Question 2

Consider QR the base of the triangle. The measure of the base is b = 18 units, and the measure of the height is h = units.

Revolt · Accepted Answer

12

Question 3

The area of triangle PQR is square units.

Revolt · Accepted Answer

108

Question 4

⇒ 50

Revolt · Accepted Answer

50

Question 5

⇒ 205

Revolt · Accepted Answer

205

Question 6

Create a rectangle around the parallelogram. The dimensions of this rectangle are .

Revolt · Accepted Answer

11 by 20; Create a rectangle around the parallelogram. The dimensions of this rectangle are .: 11 by 20; Find the area of the four right triangles surrounding the parallelogram. The total area of the triangles is square units.: 110; Subtract the triangle areas from the area of the rectangle to obtain the area of the parallelogram. The area of parallelogram ABCD is square units.: 110

Question 7

Find the area of the four right triangles surrounding the parallelogram. The total area of the triangles is square units.

Revolt · Accepted Answer

110

Question 8

Subtract the triangle areas from the area of the rectangle to obtain the area of the parallelogram. The area of parallelogram ABCD is square units.

Revolt · Accepted Answer

110

Week 10: Problem Solving With Trigonometry Answers

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