7. How many times will be the area of a square with side 20 cm to that of the area
of a square with diagonal 20 cm?
(1) Three times (2) Four times (3) /two times (4) Half...
Answers
Answered by
0
Answer:
area is square with side 20 cm= 20×20 = 400 cm^2
square with diagonal 20 cm
By Pythagoras theorem
20^2= a^2 + a^2
20×20=2a^2
10×20=a^2
a=10√2cm
area = 10√2 × 10√2= 200 cm^2
area is square with side 20 cm is double to that of area of square with diagonal 20 cm.mark me as brainliest
Step-by-step explanation:
Answered by
3
Answer:
area is square with side 20 cm= 20×20 = 400 cm^2
square with diagonal 20 cm
By Pythagoras theorem
20^2= a^2 + a^2
20×20=2a^2
10×20=a^2
a=10√2cm
area = 10√2 × 10√2= 200 cm^2
area is square with side 20 cm is double to that of area of square with diagonal 20 cm.
Plz mark as brainlist..
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