Types of triangles

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Dropdown

Triangle ⊿JKL is an ​

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triangle.

Multiple Choice

Which image appears to be a right triangle?

Dropdown

Asha measured the angles in a triangle.

She recorded the results in the table shown.



Use the drop-down menu to complete the statement about the triangle.



Asha measured a ​

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.

Multiple Choice

Which type of triangle has an angle that is shown in the image below?

• An acute triangle

• An obtuse triangle

• A right triangle

• All of these

Drag and Drop

A ​

Placeholder

triangle has an angle that measures 90°?

Drag these tiles and drop them in the correct blank above

right

obtuse

acute

none of these

Dropdown

A triangle has exactly one right angle.

Is the triangle a right, acute, or obtuse triangle?



It is a ​ ​

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because ​ it has ​

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.

Multiple Choice

Dash owns the sailboat as shown.

Which statement is true about ⊿TSU?

• Triangle TSU has two acute angles.

• Triangle TSU has one obtuse angle.

• Triangle TSU has three acute angles.

• Triangle TSU has one right angle.

Open Ended

How can you classify triangles by the measurement of their angles?

You can classify triangles by the measurement of their angles...