What is the value of x?
A. 68°
B. 62°
C. 112°
D. 124
2 answers:
If a triangle has two sides where they are the same length, then the base angles are both the same degrees.
So, we know the other base angle is also 56°.
We also know that all triangles' interior angles add up to 180°.
We will build an equation to solve for x.
56 + 56 + x = 180
Solve for x.
56 + 56 + x = 180
112 + x = 180 <-- Combine like terms
x = 68
So, we know that x is equal to 68 degrees.
The triangle drawn in the question shows a small single line drawn across two sides of the triangle.
This means that those two sides are equal in length.
Hence, the triangle is an isosceles triangle.
In isosceles triangles, the angles opposite to the equal sides are also equal.
Hence, we know that the two angles other than x is 56°.
The sum of the interior angles of a triangle is 180°
x + 56 + 56 = 180
x = 180 - 56 - 56
x = 180 - 112
x = 68°
Hence, the answer is A.
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Step-by-step explanation:
Answer:
soln
A=(9,j)
x1=9,y1=j
B=(10,4)
x2=10,y2=4
slope=1
by using the fomulaof slope,
slope=y2-y1/x2-x1
1 =4-j/10-9
1 = 4-j/1
1=4-j
j=4-1
j=3
Answer:
d
Step-by-step explanation:
base² + Altitude² = Hypotenuse²
x² + 9² = 13²
x² + 81 = 169
x² = 169 - 81
x² = 88
x = 

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