11 squared is 121
20 squared is 400
121+400= 521
The approximate square root of 521 is approximately 22.8254
A=1/2bh
Data:
a=192 mm²
h=12 mm
therefore:
192 mm²=1/2(b)(12 mm)
192 mm²=6b mm
b=192 mm²/6 mm
b=32 mm
Answer: the measure of the base is 32 mm
1/25 of a minute is 2,4 secs.
1/5 = 2,4s
5/5 = 12 secs
4/8 is less full because it's only half compared to 4/6 which is 1.5
