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30 POINTS !!

Which dimensions can create only one unique triangle?

three angles measuring 75 degrees, 45 degrees, and 50 degrees

three sides measuring 14 m, 11 m, and 18 m

three angles measuring 40 degrees, 50 degrees, and 60 degrees

three sides measuring 3 cm, 4 cm, and 8 cm



What is the circumference of the circle? Use StartFraction 22 over 7 EndFraction for Pi.


A circle with radius 21 centimeters.

44 cm

66 cm

132 cm

154 cm



Figure FGHJ is shown below.

Figure F G H J has 4 sides. Sides F J and G H are congruent and parallel, and sides G F and H J are congruent and parallel. Angles G and J are 130 degrees.


Which names accurately describe figure FGHJ? Select two options.

parallelogram

quadrilateral

rectangle

rhombus

trapezoid

Respuesta :

kamilmcgrue

Answer:

1. 14m, 11, 18m

2. 132 (rounded from 131.946)

3. Quadrilateral (duh it has 4 sides) and a rhombus?

Step-by-step explanation:

1 a unique triangle is a triangle with side lengths that are ALMOST exactly like a triangle. I used the pyragothem theory (a^2 + b^2 equals c^2) and this one was soo close to 18 (17.8)

2 the equation for the circumference of a circle is C=dpi. the radius is half of the diameter so 21 time 2 is 42 then multi[ply by pi.

3 is definitely already a quadrilateral (all of them have 4 sides) and the only shade i can think of that can have a 130 degrees for 2 angles would be a longgg rhombus ( or diamond)

Answer:

B

Step-by-step explanation:

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