A trapezoid is isosceles if and only if
(1) The base angles are congruent
(2) The diagonals are congruent
(3) The opposite angles are supplementary
So the description does not guarantee that a trapezoid is isoceles for "Congruent bases".
Answer:
The answer is 30
Step-by-step explanation:
If you were to do 50% of 30, it would be 15 students that are girls. There's 18 students that are girls though, so the extra 10% would make 18 students in the class girls. The remaining 40% would be 12 boys. So basically you're taking 10% from one side and putting it in the other because 50% of 30 is 15 (well this is at least how I would do it, I don't know how others would do it though)
Answer:
23.2
Step-by-step explanation:
Scaling down by a factor of 1/10 is equal to dividing the number by 10.
So 232 getting scaled down by a factor of 1/10 is equivalent to 232/10 i.e. 23.2.
<h2>10=)21 I know it is right </h2>
Answer:
4028.5
Step-by-step explanation:
V=4000+4.75 (6)
V= 4000+28.5
V=4028.5
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