Help please!!! Thank you

Mathematics

1 answer:

Viktor [21]3 years ago

5 0

Answer:

2y+6x=180

Step-by-step explanation:

Because we know that side lengths BD, DC, and AD are all congruent, we can conclude that triangles BDA and CDA are congruent because they have at least two congruent sides. Since these triangles are both 45-45-90 triangles, angle C is equal to 45 degrees, or 3x. 45/3 is 15, so x=15. Angle B is equal to 45 degrees, or y, so y=45.

From there, we plug these numbers into the equation with 2(45) + 6(15), or 90+90 = 180.

You might be interested in

Reactant A can participate in both of these reactions:

user100 [1]

The activation energy is the amount of energy required to initiate a certain reaction. The activation energy may considered as an "energy barrier" that has to be overcome in order for a reaction to begin. If a reaction has a lower activation energy, then it will occur more easily and at a faster rate than a reaction with a higher activation energy. Therefore, the reason that reaction 1 is faster than reaction 2 is because it has a lower activation energy than reaction 2.

7 0

3 years ago

Read 2 more answers

Please answer <br><br> Will give brainlst

VMariaS [17]

Answer:

1.true

2.false

3.true

Step-by-step explanation:

please give me a brainliest :)

4 0