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Aleksandr [31]
3 years ago
9

Please help me with this and also don't just say a random answer

Mathematics
1 answer:
iren [92.7K]3 years ago
5 0

Answer:

  • Angles 1 & 2 are congruent/equal in measure
  • Angles 1 & 3 are supplementary (I'm sure of this part) because they are adjacent and add up to 180° (I'm sure of this part, but I don't know what exact wording they are looking for in your problem)
  • Angles 2 & 4 are supplementary (same reasoning as angles 1 &3)

Step-by-step explanation:

Angles in a trapezoid that are adjacent are always either congruent (meaning they have the same measure) or they are supplementary (meaning you take one small angle measuring less than 90° - known as an acute angle - and one large angle measuring more than 90° - known as an obtuse angle - and when you add the two angles together they will always equal 180° - which means they are supplementary).

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I need help with this please asap
Alex

Step-by-step explanation:

We can prove that the triangles are congruent using the SAS method.

It's given that GH and JH are congruent (S)

Angle GHF and Angle IHJ are equal since they are vertically opposite (A)

It's given that FH and HI are congruent (S)

Thus, the triangles are congruent, which implies that the remaining sides are equal.

6 0
3 years ago
Someone please explain to me why these aren’t congruent.
o-na [289]

Answer:

There are five different postulates and theorems that determine whether or not two triangles are congruent. These triangles do not fit any of them

Step-by-step explanation:

Side-side-side

Side-angle-side

Angle-side-angle

Angle-angle-side

Hypotenuse-Leg

The sides and angles must be connected in order for the theorem or postulate to apply.    

I know it’s confusing, but I hope this helps!!

3 0
3 years ago
A=25,b=12,c=4,d=4: a +(b+c).d
stellarik [79]
B+c is 16
16 + 25 Is 41
I don't know d sorry
3 0
4 years ago
Read 2 more answers
Ella and Jake love to skateboard. They created a frame for the ramp and then covered it with wood.
Orlov [11]

Answer:

Step-by-step explanation:

  • Two triangular ends
  • Area of one = 1/2 b * h
  • b =1.2
  • h =0.9
  • Area = 1/2 * 1.2 * 0.9 =   0.54 sq meters
  • Area of 2  = 2 * 0.54                                      1.08

Area bottom

  • L = 3.5 m
  • w = 1.2
  • Area = L * W
  • Area = 3.5 * 1.2
  • Area =                                                              4.2

Area Back

  • L = 3.5
  • W = 0.9
  • Area = 3.5 * 0.9
  • Area =                                                                     3.15

Area Slanted piece

  • L = 3.5
  • w = 1.5
  • Area = L * W
  • Area = 3.5 * 1.5 =                          <u>                         5.25</u>

Total  = 5.25 + 3.15 + 4.2 + 1.08 =                               13.68                  

6 0
3 years ago
Read 2 more answers
Please help me with my assignment question ​
AlexFokin [52]

Answer:

s = 21 cm

Step-by-step explanation:

Square is s x s = area

So you just take the square root button of the calculator to find that 21 x 21 is 441.

8 0
3 years ago
Read 2 more answers
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