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ivolga24 [154]
3 years ago
13

Not sure of the answer hope an expert can help

Mathematics
2 answers:
Schach [20]3 years ago
5 0

Of course for a rectangle A = L × W and we need to be careful about the units.

Here that's

18900 sq cm = L × 180 cm

where the area's in sq cm so we converted the width.  We get

L = 18900 / 180 =  105 cm

We're asked for the result in meters, so that's

Answer: 1.05 m

The perimeter of the outer rectangle is

18.4 m + 32.5 m + 18.4 m + 32.5 m = 101.8 m

Answer: 101.8 m

The area of the seating space is the big rectangle minus the small rectangle,

A = 18.4(32.5) - 15(28) = 178 sq m

Answer: 178 sq m





Alla [95]3 years ago
5 0

DeanR is correct, he is, after all, Top Answerer, you should trust him! :)

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AVprozaik [17]

Short Answer: The first three are absolutely true. Congruency is maintained if all you are doing is shifting the figure 8 spaces away. Since the figures are congruent, their corresponding parts are equal and the statements made are always true. That's the guiding principle.


A is true. See the short answer.


B is True. You have gone 8 units away. The distance between the old G and the new one is 8 units. This is not a congruency property but it is true because it is given. You haven't altered the shape or rotatated it.


C is true by conguency. You have just shifted things 8 units. You have maintained equality and you have maintained distance between corresponding parts.


That leaves D. If the figures are regular, that will be true. If they are not regular, non corresponding external angles cannot be guaranteed to be true.

7 0
3 years ago
PLEASE HELP GONNA FAIL WILL GIVE BRAINLESS
vazorg [7]

Answer: P = 166 units

Step-by-step explanation: Each point on the triangle has lines that are tangent to the circle in the triangle, meaning that those lines form a 90° angle to the middle point in the circle. There is also a rule that states if there are tangent lines coming from the points and if the points have at least one given side length, the other side will have the same side length. So if one side on point D is 41, then the other side connected to the point is 41. I added up all of the side lengths; 41 + 41 + 30 + 30 + 12 +12 = 166 units.

I hope this helps!

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