Question

slove the following

1. Define Regular polygon  &State the name of regular polygon of   5 sides and 7 sides.

2.       Find the volume of the cube whose edge is 7cm,

3.       Fid the sum of 2y , -7y and 8c ,-17x ,-4x

4.       Find the area of square of whose side is 4cm

5.        Convert the following ratios to percentages. (a)3 : 4   (b)2 : 3

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Answer 1

Step-by-step explanation:

5 sides of regular polygon called "Pentagon" .

7 sides of regular polygon called "Heptagon".

Volume of a cube is 343 cm cube.

Area of square is 16 cm square.

3:4 in Percentage is 75% .

2:3 in Percentage is 66 whole 2 upon 3 %

I can't found your 3rd question sorry.

I hope it will be help full for you thanks