The top of a square table is inlaid with marble in the form of an octagon of side 10dm. If the length of the side of the table is 24dm. Find the area of the marble inlay. Also find the total area of the four triangular portions
Answers
Answered by
11
total area of the four triangular portions = 98 dm² , area of the marble inlay. = 478 dm²
Step-by-step explanation:
refer picture :
Side of a triangle = (24 - 10)/2 = 7
Area of one triangle = (1/2) * 7 * 7
= 49/2
Area of 4 Triangle = 4 * 49/2
= 98 dm²
total area of the four triangular portions = 98 dm²
Area of Table = 24 * 24
= 576 dm²
Area of Octagon Marble lay = 576 - 98
= 478 dm²
area of the marble inlay. = 478 dm²
Learn more:
Find the lenth of the side of a regular octagon with perimeter 56cm ...
https://brainly.in/question/8046178
ABCDEFGH is a regular octagon inscribed in circle is r=1 unit O is ...
https://brainly.in/question/12327708
Attachments:
Similar questions