What is the area of triangle QRS, in square units given the vertices - ProProfs Discuss
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What is the area of triangle QRS, in square units given the vertices of parallelogram QRST in the standard (x, y) coordinate plane below?





A. 24
B. 28
C. 48
D. 60
E. 80

This question is part of Coordinate Geometry Hard
Asked by Annacabral, Last updated: May 31, 2020

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2 Answers

John F. connor

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John F. connor, Content Marketing executive, MA, Minsk,Poland

Answered Feb 07, 2019

The correct answer to the above question is option A.

24 To calculate the area of triangle QRS, in the vertices of parallelogram in the image above, we need to determine the base and height of triangle QRS. The base QR = 6 (from -3 to 3) The height RS = 8 (from -5 to 3) Area of a triangle = ½ base height Therefore the area of triangle QRS = ½ 68 = 24 The area of QRS is 24 square units Hope this helps.

 

John Smith

John Smith

Answered Jan 05, 2017

24

Area triangle = 1/2bh and the base is 6 units (from -3 to 3) and the height is 8 units (from -5 to 3). 1/268= 24 sq units
 

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