The diagonal of square is 15 cm find its area and perimeter.
indiravalar3:
use Pythagoras theorem
mark as brainliest plzzz
Answers
Answered by
27
Answer:
a=10.6 , p=42.4
Step-by-step explanation:
Diagonal of the square =15
a²+a²=15²
2a²=225
a²=112.5
a=10.6(side of square)
Perimeter of a square =4 a =4×10.6
=42.4
Hope it helped you ........... mark as brainliest
where is the area
yaah there is the area
bt i can't see yours perimeter
Answered by
10
Here is your answer ☺️☺️❤️❤️
Let each side of square = x cm
Diagonal of square= AB =BD= 15 cm
In right triangle ABC
AB^2 + BC ^2 = AC^ 2
x^2 + x^2 = 15 ^2
2x^2 = 225
or x^2 = 225/2
Area of square = 225/2 sq. cm.
112.5 sq. cm.
Hope this helps you ☺️☺️❤️:-P
where's perimeter?
hahahahahah
oh sorry
( :
and u don't laugh in ur answer where is the area
Similar questions