3 years ago

Can a scalene triangle have two congruent angles why or why not

1 answer:

4 0

No, because a scalene triangle is a triangle with all different sides so if there was a congruent anything it would not be a scalene triangle.
I hope this helped. :)

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Geometry help greatly needed, check photo for more information! <3

vlabodo [156]

Answer:

$\huge\boxed{\sf x = 55\°}$

Step-by-step explanation:

When a quadrilateral is inscribed in a circle, the opposite angles of it add up to 180 degrees.

Here,

∠DCB + ∠DAB = 180 (Opposite angles of a quad inscribed in a circle.)

<u>Given that:</u> ∠DCB = 135° and ∠DAB = x

135 + x = 180

Subtract 135 to both sides

x = 180 - 135

x = 55°

$\rule[225]{225}{2}$

Hope this helped!

8 0

2 years ago

Suppose an isosceles triangle abc has a=pi/4 and b=c=4. What is the length of a^2?

Zanzabum

The law of cosines states that, if $\alpha$ is the angle between sides b and c,

$a^2 = b^2+c^2-2bc\cos(\alpha)$

So, plugging our values, we have

$a^2 = 16+16-2\cdot 4\cdot 4\cdot\cos\left(\dfrac{\pi}{4}\right)$

This is equal to

$a^2 = 32-32\cdot\dfrac{\sqrt{2}}{2} = 32-16\sqrt{2}$

3 0

3 years ago

I used elimination to solve this system of equations and found out that y = 1. What does x equal?

stepan [7]

5x + 4y = 24
Substitute y for 1
5x + 4 = 24
5x =20
x = 4

5 0

3 years ago

a recipe makes a total of 5 cups a serving of pudding is 3/4 cup how many servings of pudding does the recipe make?

klasskru [66]

The recipe makes Zero

4 0

3 years ago

Compare and contrast subtracting integers and subtracting whole numbers

Galina-37 [17]

Subtracting whole numbers does not include subtracting negative numbers, whereas when subtracting integers you can include negative numbers.

6 0

3 years ago