Geometry
Problems related to shapes, spaces, measurements, etc.
Problems in this category
Part (a): Find the height of a building, given the angle of depression from the top of the building ...
TrigonometryAngle of DepressionArea of TriangleArea of TrapeziumParallel Lines
2025/4/10
ABCD are points on the circumference of a circle with center O. PD is a tangent to the circle at D. ...
Circle TheoremsAnglesTangentsGeometry
2025/4/9
In the given circle, $A, B, C, D$ are points on the circumference and $O$ is the center (although th...
CirclesCyclic QuadrilateralsTangentsAnglesTangent-Chord Theorem
2025/4/9
In the given diagram, $ABCD$ are points on the circumference of a circle with center $O$. $PD$ is a ...
CirclesAnglesTangentsCyclic QuadrilateralsGeometry
2025/4/9
ABCD are points on the circumference of a circle with center O. PD is a tangent to the circle at poi...
CirclesAnglesCyclic QuadrilateralsTangents
2025/4/9
ABCD are points on the circumference of a circle with center O. PD is a tangent to the circle at D. ...
CirclesAnglesCyclic QuadrilateralsTangentsGeometry
2025/4/9
ABCD are points on the circumference of a circle, with center O. PD is a tangent at D. Angle $ADB = ...
CirclesAnglesTangentsCyclic QuadrilateralsGeometry
2025/4/9
ABCD are points on the circumference of a circle, center O. PD is a tangent at D. Given that angle A...
Circle TheoremsAnglesTangentsGeometry
2025/4/9
We are given a cyclic quadrilateral $ABCD$ inscribed in a circle. We are given that $\angle DBC = 47...
Cyclic QuadrilateralTangentsAngles in a CircleGeometry
2025/4/9
We are given a cyclic quadrilateral $ABCD$ inscribed in a circle. We know that $\angle DBC = 47^\cir...
Cyclic QuadrilateralAngles in a CircleAngle ChasingGeometric Proof
2025/4/9