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GeoGebra Classroom

# Conditions for congruent triangles

## One known side of a triangle

Draw 2 triangles with a side length of 4 cm. Will they always congruent?

Select all that apply
• A
• B
Check my answer (3)

## Triangles with 2 known sides

Draw 2 triangles, each has a side length of 4 cm and 5 cm. Will they always congruent?

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• A
• B
Check my answer (3)

## SSS Triangles

Draw 2 triangles with side lengths of 2 cm, 3 cm and 4 cm. Will they always congruent?

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• A
• B
Check my answer (3)

## One known angle and side

Draw 2 right angled triangles with a side length of 4. Will they always congruent?

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• A
• B
Check my answer (3)

## SSA triangles

Draw 2 right angles triangles with side lengths of 3 cm and 4 cm. Will they always be congruent?

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• A
• B
Check my answer (3)

## All three sides and one angle are the same

Draw 2 right-angled triangles with side lengths of 3 cm, 4 cm and 5 cm. Will they always be congruent?

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• A
• B
Check my answer (3)

## SAA Triangles

Draw 2 triangles with one side length of 5 cm and angles of 75 and 30 degrees. Will they always be congruent?

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• A
• B
Check my answer (3)

## Triangles with 2 known sides and angles

Draw 2 triangles with side lengths of 3 cm and 5 cm, with angles of 70 and 30 degrees. Will they always be congruent?

Select all that apply
• A
• B
Check my answer (3)

## Conditions for congruent triangles

What information do you need to draw 2 congruent triangles? Draw the triangles below