Answer:
20cm or A
Step-by-step explanation:
pythagorean theorem
25^2=15^2+b^2
625=225+b^2
b^2=400
b=20
Let x = the smaller numberLet 3x + 15 = the larger numberx + 3x + 15 = 634x = 48x = 123(12) + 15 = 51
It is a right Right Triangle because, they have two equal sides.
Answer:
640,000
Step-by-step explanation:
You go to your ten thousands place
what kind of number do you see ?Anumber higher or lower than 5?
Since its higher than a five you round up the 3 to a four.
Which gives you 640,000