1 Marks Question

Question 11 Mark

Find the supplement of the following angles.

124º

Answer

Two angles whose sum is 180º are called supplementary angle.
Supplement of 124º = 180º - 124º = 56º.

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Question 21 Mark

Find the supplement of the following angles.

90º

Answer

Two angles whose sum is 180º are called supplementary angle.
Supplement of 90º = 180º - 90º = 90º.

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Question 31 Mark

Find the comlement of the following angle.
55º

Answer

Two angles whose sum is 90º are called complementary angle.
complement of 55º = 90º - 55º = 35º.

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Question 41 Mark

Find the supplement of the following angles.
$\frac{3}{5}$ of a right angle.

Answer

Two angles whose sum is 180º are called supplementary angle.
$\frac{3}{5}$ of a right angle $\Rightarrow\Big(\frac{3}{5}\times90\Big)=54^\circ$
Supplement of $\frac{3}{5}$ of a right angle = (180 - 54)º = 126º.

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Question 51 Mark

Find the comlement of the following angle.
$\frac{2}{3}$ of a right angle.

Answer

Two angles whose sum is 90º are called complementary angle.
$\frac{2}{3}$ of a right angle
$\Rightarrow\Big(90\times\frac{2}{3}\Big)^\circ=60^\circ$
Complement of $\frac{2}{3}$ of a right angle = (90 - 60)º = 30º.

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Question 61 Mark

Find the comlement of the following angle.

16º

Answer

Two angles whose sum is 90º are called complementary angle.
complement of 16º = (90 - 16)º = 74º.

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Question 71 Mark

Find the supplement of the following angles.
42º

Answer

Two angles whose sum is 180º are called supplementary angle.
Supplement of 42º = 180º - 42º = 138º.

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