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ohaa [14]
3 years ago
11

Triangle ABC is isosceles.

Mathematics
2 answers:
forsale [732]3 years ago
8 0

Answer:

the answer is 75° on edg 2020

Step-by-step explanation:

lana66690 [7]3 years ago
3 0

Answer: 75°

Step-by-step explanation:

Using the Base Angles Theorem, we can conclude that <ABC and <ACB are congruent. The angles of a triangle add up to 180 degrees so we can write this equation to solve for x:

x + 5 + 3x + 3x = 180

simplify

7x + 5 = 180

subtract 5 from both sides

7x = 175

divide each side by 7

x = 25

plug 25 in for x to find the angle measure

3(25) = 75

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Sarah kept track of the points she scored during her first five basketball games in the table shown.
grandymaker [24]

Answer:

E

Step-by-step explanation:

If you add 22 onto the sum of all the points and divide by the amount of games (6), you get 12.

4 0
3 years ago
Find the coordinates of S after a rotation of the triangle 90 degrees counterclockwise about the origin
Neko [114]

We first start by finding the actual coordinates of the pre - image's point S.

Assuming the x and y axis count by 1s, as there is no labels, we can conclude that:

The point's x coordiate is 4 to the left from the origin, or -4.

The point's y coordinate is 4 up from the origin, or 4.

So, the coordinates of Point S is (-4, 4).

Next, we apply the translation rule for a 90 degree counterclockwise rotation to the point's coordinates. The rule is (x, y) --> (-y, x). Using this rule on our coordinates, we get:

(-4, 4) --> (-4, -4)

So, the new coordinates of point S prime after a 90 degree counterclockwise rotation are (-4, -4).

4 0
2 years ago
A line segment is drawn from (1, 9) to (4, 9) on a coordinate grid.
ivanzaharov [21]
D :)
Because the y values are the same, all we need to take into account is the difference in the length of the x values. 
5 0
2 years ago
If the dimensions of a pentagonal prism are quadrupled, then the surface area of the prism is multiplied by eight.
Lubov Fominskaja [6]

Answer:

false

Step-by-step explanation:

the relationship between lengths/dimensions and areas is that areas are created by multiplying 2 dimensions.

when you quadruple (×4) the dimensions, then the areas are growing with the square of the factor (×4×4 = ×16), because the factor goes twice into the multiplication : one time for every dimension involved.

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nydimaria [60]

Answer:

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Step-by-step explanation:

6 0
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