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Agata [3.3K]
2 years ago
5

I need help with this badly. It's geometry and angles.

Mathematics
2 answers:
lys-0071 [83]2 years ago
6 0

Answer:

∠ C = 118°

Step-by-step explanation:

DE = DF , then Δ DEF is isosceles with base angles congruent , then

∠ DEF = ∠ DFE = \frac{180-56}{2} = \frac{124}{2} = 62°

∠ DFE and ∠ DFB are adjacent angles on a straight line and sum to 180° , so

∠ DFB = 180° - 62° = 118°

BCDF is a parallelogram ( opposite sides are parallel )

The opposite angles of a parallelogram are congruent , then

∠ C = ∠ DFB = 118°

12345 [234]2 years ago
5 0
Ok done. Thank to me :>

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Please help me there can only be one answer
12345 [234]
Answer:-
I think it’s the last option where x and y both are zero.
2x + 2y = 0
Here x = 0 and y = 0.
Hope it helps if u hv any questions feel free to ask...hv a grt day :)
4 0
3 years ago
Evaluate the expression for x=-6 4more than the product of-4 and the number ​
son4ous [18]

Answer:

28

Step-by-step explanation:

The product of -4 and the unknown number n is -4n.

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8 0
3 years ago
A regular hexagon has an apothem of 14.7 inches and a perimeter of 101.8 inches. What is the area of the hexagon?
Neporo4naja [7]

<u>Answer</u>

748.23 in²


<u>Explanation</u>

Apothem a line from the centre of a regular polygon at right angles to any of its sides. This can be said to be the height of the triangle in a polygon.

The base of the  hexagon = 101.8 ÷ 6

                                            = 19.96666..

                                            = 19.9667 inches

Area of the  hexagon = 1/2 × height × base length × 6

                                     = 1/2 × 14.7 × 19.9667 × 6

                                      = 748.23 in²

7 0
3 years ago
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lbvjy [14]
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3 years ago
Help! please show some sort of proof! thanks xo
Vadim26 [7]

Answer:

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3 years ago
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