Find the degree measure of each angle in the triangle.

1 answer:

7 0

Answer:

Step-by-step explanation:

The given triangle is a right angled triangle.

So, the angles in the triangle are :

Solving according to angle sum property,

Sum of all angles in a triangle is 180°

$\longrightarrow$ 90° + (4x + 10)° + (2x + 26)° = 180°

$\longrightarrow$ 126° + 6x = 180°

$\longrightarrow$ 6x = 180° - 126°

$\longrightarrow$ 6x = 54°

$\longrightarrow$ x = 9

Angles =

$\longrightarrow$ 4(9) + 10

$\longrightarrow$ 46°

$\longrightarrow$ 2(9) + 26

$\longrightarrow$ 44°

The angles are 46°, 90° and 44°.

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Verdich [7]

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Studentka2010 [4]

Answer:

D) $(-2,-9)$

Step-by-step explanation:

Vertex Form of a Vertical Parabola:

$y=a(x-h)^2+k$

Vertex -> $(h,k)$

Axis of Symmetry -> $x=h$

Vertical Scale Factor -> $a$

To turn $f(x)=x^2+4x-5$ into vertex form, we need to complete the square on the right side
Therefore, if $f(x)=0$ , then $0+9=x^2+4x-5+9$ completes the square on the right side
This becomes $9=(x+2)^2$
This means that our function in vertex form is $f(x)=(x+2)^2-9$