Geometry Learning Hub | Class 10 SEE Nepal

📐 Geometry Learning Hub | Class 10 SEE Nepal

Drag points, see values update live, and discover the theorem visually.

Theorem 1: Diagonal divides a parallelogram into two equal-area triangles

Drag any red vertex. The diagonal stays inside and both triangle areas stay equal.
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A diagonal of a parallelogram divides it into two triangles of equal area.
Roof trusses and bridge panels use this equal-area triangle split.

Theorem 2: Parallelograms on same base and between same parallels have equal area

Drag the top line. Both figures keep the same height, so areas stay equal.
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Parallelograms with the same base and same parallels have equal area.
Same floor area can have different slants, but equal base and height gives equal area.

Theorem 3: Triangle area is half the area of a parallelogram on same base and parallels

The triangle and parallelogram are linked by the same base and height.
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Triangle area = 1/2 × parallelogram area.
Used in land measurement and architecture planning.

Theorem 4: Triangles on same base and between same parallels have equal area

Drag the top points along the parallel line. Areas remain equal.
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Triangles standing on the same base and between the same parallels have equal area.

Circle Terms Explorer

Click a term to highlight it in the diagram.

Circle Definitions

Click a term to learn it.

Circle Theorems

Angle at Center = 2 × Angle at Circumference

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Angle in Semicircle = 90°

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Angles in Same Arc

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Cyclic Quadrilateral

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Interactive Geometry Platform for SEE Nepal

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