3. Right
5. Isosceles
Isosceles triangles have 2 sides measuring the same length and a right triangle contains a 90 degree angle
Answer:
the blanks for 54 are: 1,2,3,6
the blanks for 42 are: 1,2,3
HCF: 3
Step-by-step explanation:
the factors of each number are:
1 54 1 42
2 27 2 21
3 18 3 14
6 9
<span>Subtract u from 7, then divide v by the result</span>
v : (7 - u)
<u>Answer:</u>
B. He multiplied the dividend by 100 instead of 10.
<u>Step-by-step explanation:</u>
Chen had to divide
by
. To make it easier to divide, he thought of multiplying both the dividend and the divisor by 10.
Chen multiplied the divisor by 10 but mistakenly multiplied the dividend by 100 instead of 10.
So his whole division problem was changed.
Therefore, the correct answer option is B. He multiplied the dividend by 100 instead of 10.