Posted by **Missy** on Saturday, September 5, 2009 at 12:42pm.

Can you check these multiple choice questions thanks.

1. What is the length of a rectangle that has an area of 20 square meters and a perimeter of 18 meters.

A. 10 meters

B. 2 meters

C. 5 meters

D. 9 meters

Answer: B

2. Find the minimum perimeter of a rectangle whose area is 169 square meters.

A. 42 meters

B. 13 meters

C. 26 meters

D. 52 meters

Answer: D

3. What is the measure of QT if R is between Q and T QR= 14 and RT= 5

A. 10

B. 11

C. 19

D. 9

Answer: D

4. Find the coordinates of the midpoint of the segment with endpoints D(6,6) and E(-2,2)

A. (3,4)

B. (2,4)

C. (4,8)

D. (1,-1)

Answer: B

5. If CAT and DAT form a linear pair and CAT is acute then DAT is what kind of angle?

A. acute

B. obtuse

C. right

D. straight

Answer: D

- Geometry -
**Brittany**, Saturday, September 5, 2009 at 1:22pm
wow that's a whole lot of questions is that all u r h/w?

- Geometry -
**MathMate**, Saturday, September 5, 2009 at 1:48pm
1.

You are looking for the sides of a rectangle x,y such that x*y=20, and 2(x+y)=18.

Hint: the problem's solution is in integers. So all you need to try are the factors of 20 to make x*y=20, and verify the perimeter.

2. Correct!

3. Check the figure

Q-------------R----T

......14.........5

What is the length of QT?

4. Correct!

How did you find the answer?

5.

A linear pair of angles means that two angles are adjacent and the total is supplementary (180°). If one is acute (less than 90), so what is the other? (180-(less than 90°).

Feel free to post your answers for checking.

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