Question

Fill in the blanks ......

Answer 1

$\huge\mathbb{A~N~S~W~E~R~:}$

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i) A quadrilateral have 4 verticies , 4

anglea and 4 sides.

ii)

$5x - 3 = 3x - 5 \\ \\ 5x - 3x = - 5 + 3 \\ \\ 2x - 2 \\ \\ x = - 1$

iii) The sum of exterior angles of

octagon = 360°

iv)

$= \frac{14}{ - 18} \\ \\ = \frac{7}{ - 9} \\ \\ = - 0.77$

v)

$= {( \frac{2}{5}) }^{ - 3} \\ \\ = \frac{ {2}^{ - 3} }{ {5}^{ - 3} } \\ \\ = {2}^{ - 3} \times {5}^{3} \\ \\ = 125 \times 0.125 \\ \\ = 15.625$

vii)

In image photo is cropped and incomplete question.

viii)

$= {( - 1)}^{( - 1)} \\ \\ = ( - 1)$

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