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Biblioteka

Illustrative Mathematics - Geometry - Mathematics - Unit 2 - Lesson 14

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Pitanje 1
1.

Select all quadrilaterals for which a diagonal is also a line of symmetry.

Pitanje 2
2.

Show that diagonal EG is a line of symmetry for rhombus EFGH.

Pitanje 3
3.

ABDE is an isosceles trapezoid. Priya makes a claim that triangle AEB is congruent to triangle DBE. 

Convince Priya this is not true.

Pitanje 4
4.

In quadrilateral ABCD, triangle ADC is congruent to CBA.

Show that ABCD is a parallelogram.

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Pitanje 14
14.

Is triangle AFE congruent to triangle ADE?

Explain your reasoning.

Pitanje 15
15.

Triangle DAC is isosceles with congruent sides AD and AC. Which additional given information is sufficient for showing that triangle DBC is isosceles?

Select all that apply.

This lesson is from Illustrative Mathematics. Geometry, Unit 2, Lesson 14. Internet. Available from https://curriculum.illustrativemathematics.org/HS/teachers/2/2/14/index.html ; accessed 29/July/2021.

IM Algebra 1, Geometry, Algebra 2 is © 2019 Illustrative Mathematics. Licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0).

The Illustrative Mathematics name and logo are not subject to the Creative Commons license and may not be used without the prior and express written consent of Illustrative Mathematics.

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