Question 13 Marks
The measures of the angles of a quadrilateral are in the ratio $2: 4: 5: 7$. Find the measure of each of its angles.
Answer
View full question & answer→$40^{\circ}, 80^{\circ}, 100^{\circ}, 140^{\circ}$
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[3 marks sum]
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Question 23 Marks
Let $A B C D$ be a parallelogram. What special name would you give it, when :
(i) $AB = AD$ ?$\quad$(ii) $\angle ABC =90^{\circ}$ ?$\quad$(iii) $AB = AD$ and $\angle ABC =90^{\circ}$ ?
(i) $AB = AD$ ?$\quad$(ii) $\angle ABC =90^{\circ}$ ?$\quad$(iii) $AB = AD$ and $\angle ABC =90^{\circ}$ ?
Answer
View full question & answer→(i) Rhombus$\quad$(ii) Rectangle$\quad$(iii) Square
Question 33 Marks
In the adjoining figure, P is a point in the interior of $\angle AOB$. If $PL \perp OA$ and $PM \perp OB$ and $\angle AOB =40^{\circ}$, find the measure of $\angle LPM$.
Answer
View full question & answer→$140^{\circ}$