Answer:

Step-by-step explanation:
We have been given that the vertices of a triangle are A (5, 0), B (x, y) and C (25, 0). We are asked to find the area of the given triangle.
We will use area formula for triangle with vertices A, B and C as given below:

Upon substituting the given coordinates of points A, B and C in above formula, we will get:






Therefore, the area of the given triangle would be
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Answer:
x = 9 Angle B = 40 degrees
Step-by-step explanation:
Angles A and B are congruent, so the equation are the same
5x - 5 = 3x + 13
-3x - 3x Subtract 3x from both sides
2x - 5 = 13
+ 5 +5 Add 5 to both sides
2x = 18 Divide both sides by 2
x = 9
Plug this into the equation for angle B
B = 3(9) + 13 Multiply
B = 27 + 13 Add
B = 40
If these answers are correct, please make me Brainliest!
Hey!!
here is your answer >>>
The interior angle A measures 77°
The exterior angle measures 130°
The sum of angles A and B is 130°
Yes, it's true, this a property of the triangle, the last question is 'true'
Hope my answer helps!