Find the measure of the complementary angle of the following angles:
$(i) 22^{\circ}$
$(i i) 63^{\circ}$ [2 MARKS]

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Solution

Concept: 1 Mark
Application: 0.5 Marks each

We know that the measure of the complementary angle of $x^{\circ}$ is equal to $90^{\circ} - x^{\circ}$ .

(i) Measure of the complementary angle of $22^{\circ} = 90^{\circ} - 22^{\circ} = 68^{\circ}$

(ii) Measure of the complementary angle of $63^{\circ} = 90^{\circ} - 63^{\circ} = 27^{\circ}$

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Find the measure of the supplementary angle of the following angles :
(i) $45^{\circ}$
(ii) $57^{\circ}$ [2 MARKS]

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Question 3 (ii)
Identify which of the following pairs of angles are complementary and which are supplementary:
$63^{\circ}, 27^{\circ}$

Find the complement of each of the following angles:

(i) $55^{\circ}$

(ii) $16^{\circ}$

(iii) $90^{\circ}$

(iv) $\frac{2}{3}$ of a right angle

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