Question

1. Find the measurement of side of regular octagon whose perimeter is
256 m.
2. How many line(s) of symmetry are there in isosceles trapezium.
3. Find the additive inverse of (-5+6-10-45).
4. Check whether the numbers are in proportion or not: -
27,6,13,2
5. Write an algebraic expression for the following statement: -
5 is added to three times of ‘x’.

Answer 1

Answer:

$\huge\underline\mathfrak\purple{Answer}$

(1) side= Perimeter/ 8

256/8= 32m

Lengt of each side = 32 m

(4) 27:6 :: 13:2

27/6= 9/2=9:2

13:2=13:2

Not in proportion

(5) 3x+5