Match the given triangles with their correct names in this educational worksheet.

Let’s go step by step to match each triangle with its correct name.

We’ll look at the markings on the sides and angles of each triangle:

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1. Yellow Triangle (top)
- All three sides have one tick mark → that means all sides are equal.
- A triangle with all sides equal is called an Equilateral Triangle.

✔ Match: Equilateral Triangle

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2. Green Triangle (second from top)
- It has a right angle symbol (small square) at corner B.
- That means it’s a Right Triangle.

✔ Match: Right Triangle

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3. Blue Triangle (middle)
- No side marks, no right angle.
- Looks like all sides are different lengths → that’s a Scalene Triangle.
- Also, one angle looks bigger than 90°? Wait — let’s check carefully.
Actually, looking again: it doesn’t have any tick marks or right angle. But we need to see if it’s obtuse or scalene.

Wait — let’s hold off and compare with others first.

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4. Orange Triangle (fourth from top)
- Two sides have two tick marks → those two sides are equal.
- So this is an Isosceles Triangle.

✔ Match: Isosceles Triangle

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5. Purple Triangle (bottom)
- One angle looks very wide — more than 90 degrees → that’s an Obtuse Angle.
- So this is an Obtuse Triangle.
- Also, no side marks → so sides are likely all different → but since it has an obtuse angle, “Obtuse Triangle” is the best match.

✔ Match: Obtuse Triangle

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Now back to the Blue Triangle (third one):

- No side marks → so probably all sides different → Scalene.
- Does it have a right angle? No.
- Does it have an obtuse angle? Let’s visualize: point C is sharp, point A is somewhat wide, point B is also not too wide. Actually, in many worksheets, if it’s drawn without special marks and not obviously obtuse or right, and no equal sides, it’s labeled as Scalene.

Also, note: we already used:
- Equilateral (yellow)
- Right (green)
- Isosceles (orange)
- Obtuse (purple)

That leaves Scalene for the blue one.

And yes — blue triangle has no equal sides, no right angle, and doesn’t clearly show an obtuse angle (though sometimes diagrams can be tricky). Since purple is clearly obtuse (wide angle at C), blue must be scalene.

✔ Final Matches:

- Yellow → Equilateral Triangle
- Green → Right Triangle
- Blue → Scalene Triangle
- Orange → Isosceles Triangle
- Purple → Obtuse Triangle

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Final Answer:
Yellow triangle → Equilateral Triangle
Green triangle → Right Triangle
Blue triangle → Scalene Triangle
Orange triangle → Isosceles Triangle
Purple triangle → Obtuse Triangle