A proof that uses figures on a coordinateplane to prove geometric properties.239 - 240Coordinate ProofB. Apply the key concepts of the distance formula including themidpoint formula, and the coordinate proof in answering Activity 8,entitled, "I Missed You, But Now I found You!"in Mathematics 10Learner's Module on page 243. Use a separate sheet of paper foryour answers.Activity 2A. Direction: Write the coordinate proof to prove the following geometricproperties. Use a separate sheet of paper for your answers.1. Given: DEF with D(-1,3), E (5,3) and F(2,-3)Show:ADEF is not an equilateral triangle.2. Given: A(3,3), B(6,-1),C(2,0),D(-3,-1),E(1,2),F(0,-2)Show: AABC ADEF3. Triangle ABC has vertices A(2,1), B (4,5), and C(7,1). Calculatethe perimeter of the triangle ABC.3.

It is given D=-1, 3E=5, 3F=2, -3 The distance between the two points…

Answered: 1. Given: DEF with D(-1,3), E (5,3) and…

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1. Given: DEF with D(-1,3), E (5,3) and F(2,-3) Show:ADEF is not an equilateral triangle.

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Question

A proof that uses figures on a coordinate
plane to prove geometric properties.
239 - 240
Coordinate Proof
B. Apply the key concepts of the distance formula including the
midpoint formula, and the coordinate proof in answering Activity 8,
entitled, "I Missed You, But Now I found You!"in Mathematics 10
Learner's Module on page 243. Use a separate sheet of paper for
your answers.
Activity 2
A. Direction: Write the coordinate proof to prove the following geometric
properties. Use a separate sheet of paper for your answers.
1. Given: DEF with D(-1,3), E (5,3) and F(2,-3)
Show:ADEF is not an equilateral triangle.
2. Given: A(3,3), B(6,-1),C(2,0),D(-3,-1),E(1,2),F(0,-2)
Show: AABC ADEF
3. Triangle ABC has vertices A(2,1), B (4,5), and C(7,1). Calculate
the perimeter of the triangle ABC.
3.

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