0
Firstly you need to work out the length of a side.
Using Pythagorean Theorem for a right angled triangle
a2+b2=c2 where a = the length, b = height & c = diagonal
since c = 8 and a = b are the same
2a2 = 64
a2 = 32
a = 5.657 cm
since the area of the square is a2 then area = 32cm2
Still curious? Ask our experts.
Chat with our AI personalities
FranI've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
SteveKnowledge is a journey, you know? We'll get there.
Chat with Steve
EzraFaith is not about having all the answers, but learning to ask the right questions.
Chat with EzraAdd your answer:
Earn +20 ptsQ: How to you calculate area of square whose diagonal length is 8cm?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
What is the length of the diagonal of a square whose side lengths are 7 square root 2?
The length of the diagonal of a square whose side lengths are 7 square root 2 (9.89949494) is: 14 units.
Find the length of a side of a square whose diagonal is 4cm?
a≈2.83cm The sides are the square root of 8 cm, approximately 2.8284 cm
How do you calculate the length of a side of a square whose area equals 8?
area - width = length
What is the diagonal of a square whose sides are 46 ft?
The diagonal of a 46' x 46' square is 65.05 feet.
What is the length of a diagonal of a rectangle whose dimensions are 12 by 16 feet?
Using Pythagoras' theorem the length of the diagonal is 20 feet
Trending Questions
What is the seventh root of 750?
Why did Krya Sedgewick leave The Closer?
How many odd numbers between 1-100?
How many times does 19 go into 36?
Drawing a card with an even number on it in uno?
What is 6 times twenty one?
Is 0.05 a decimal?
What is the equivalent expression form 5 to the third power?
Why all voltage level are multiples of 11?
What are the factors of 12 and16?
Names of 3-100 sides polygon?
How do you write eighteen hundredths in standard notation?
How many tons are in 1 ton?
What Vertical Angles Mean?
What are the use of index numbers?
what is 285714 reapeat as a decimal?
What is the suicide rate for teenagers in the United Kingdom?
What is 343 to the third power?
Found by mutiplying the previos term by the same number?
What fraction is equivalent to 18 over 30?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.