Answer:
294
Step-by-step explanation:
7 x 42 =
(7 x 40) x (7 x 2) =
280 + 14 =
294
Answer:
Step 3
Step-by-step explanation:
In Step 3, he divided 8 by 4 when he should've done 32 divided by 8 first.
(I don't know if it's considered to be in Step 2 or Step 3, so if Step 3 is wrong, then it's Step 2.)
I hope this helps! Have a lovely day!! :)
15² =225
20²= 400
225+400=625
25² =625
=> 15² +20² =25²
These three form a Pythagorean triplet..
And hence form a Right triangle with 25 as the hypostenuse....
Answer is option 4
Hope it helps...
Regards,
Leukonov/Olegion.