UPSKILL MATH PLUS

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Learn more- Draw a side and make an angle that is given with side measure.

- Make a new angle from the newly formed side (\(X\)-axis).

- Make the given angle another. This would intersect with the axis of \(Y\) formed above. The quadrilateral is to be formed.

Example:

**Construct a quadrilateral**\(PLAN\)

**with following measurements**.

\(PL = 4 cm\), \(LA = 6.5 cm\), \(∠P= 90°\), \(∠A = 110°\), \(∠N = 85°\)

The sum of the angles of a quadrilateral is \(360°\). So, \(∠P + ∠L + ∠A + ∠N = 360°\).

\(90° + ∠L + 110° + 85° = 360°\)

\(90° + ∠L + 195° = 360°\)

\(∠L + 285° = 360°\)

\(∠L = 360° - 285°\)

\(∠L = 75°\)

**Step 1**: Draw the side \(PL = 4 cm\) and draw the angle \(75 °\) at the point \(L\). As the vertex \(A\) is \(6.5 cm\) away from \(L\), cut the line segment \(LA\) of \(6.5 cm\) out from this ray.

**Step 2**: Again, draw the angle \(110 °\) at the point \(A\).

**Step 3**: Draw the angle \(90 °\) at the point \(P\). This ray will meet the previously drawn \(A\) ray at the \(N\) point.

**Thus, the required quadrilateral**\(PLAN\)

**has been constructed**.