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LUCKY_DIMON [66]
3 years ago
13

Quadrilateral ABCD has all congruent sides and opposite angles that are congruent. what classification can be given to ABCD

Mathematics
2 answers:
Stolb23 [73]3 years ago
5 0
I believe your answer would be Rectangle.
diamong [38]3 years ago
5 0

Answer:

I believe the answer is square because if all sides and all angles are congruent, then it can't be a rectangle. (Rectangles only have opposite sides that are congruent.

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hat is the area of a sector with a central angle of 4π5 radians and a radius of 11 cm? Use 3.14 for π and round your final answe
dusya [7]
4/5 PI radians = 144 degrees
sector area = central angle / 360 * PI * radius^2
sector area = 144 / 360 * PI * 11^2
sector area = <span> <span> <span> 152.0530844337 </span> </span> </span> square centimeters
sector area = <span> <span> <span> 152.05 </span></span></span>square centimeters

3 0
3 years ago
Read 2 more answers
I'm having trouble on ixl here is what I have to do
Sophie [7]

Answer:

6(9r-7)

Step-by-step explanation:

54r–42

Both 54 and 43 can be divided by 6

54/6 =9  and 42/6 =7

6*9r - 6*7

Factor out the 6

6(9r-7)

8 0
3 years ago
Read 2 more answers
Help with 35 to 40, don’t know if I am right
Sedaia [141]

Step-by-step explanation:

35. 1000 m / 1 km = 10³

Move the decimal point 3 places to the right.

36. 100 cm / 1 m = 10²

Move the decimal point 2 places to the right.

37. 1 mm / 1000 μm = 10⁻³

Move the decimal point 3 places to the left.

38. 1 km / 1000 m × 1 m / 100 cm = 10⁻⁵

Move the decimal point 5 places to the left.

39. 1 Mm / 10⁶ m × 1 m / 10⁶ μm = 10⁻¹²

Move the decimal point 12 places to the left.

40. 100 cm / m × 1000 m / km = 10⁵

Move the decimal point 5 places to the right.

4 0
4 years ago
A cylinder has a surface area of 1850 square meters and a radius of 9 meters. Estimate the volume of the cylinder to the nearest
Trava [24]
In order to find the volume you need the height. 

Surface area = π r² + base x height or width x length
1850 = 3.14 × 9² + radius × 2 x π x height
1850 = 254.34 + 9 × 2 × 3.14 × height
1850 = 310.86 × height

To find the height you have to divide the surface area by the part I bolded

Height = 1850 ÷ 310.56
Height ≈ 6

Volume of a cylinder = πr²×height 
= 3.14 × 9 × 9 × 6
Volume =1526.04

Nearest whole number would be 1526
4 0
3 years ago
Triangle ABC is given where m(angle sign)A=33 Degrees, a=15 in, and the height, h, is 9 in. How many distinct triangles can be m
Mashcka [7]
Answer: You could have an infinite amount of triangles with these measurements.

Unless, you are missing something in the problem, there is not enough information that would narrow it down to a single triangle. Angle A is fixed and the height is fixed. However, Angle B and C could be anything as long as they formed a triangle and had side a of 15 in between them.
8 0
3 years ago
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