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3 years ago

Given: QS bisects PQR

1 answer:

8 0

Well a right triangle is made up of a 180 degree angle and take away 90 degrees because the right angle is already there so the answer is that PQR is a right triangle since the other two angles = 90 when added hope this helps i did alot of research:)

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Triangle XYZ with vertices X(0,0) , Y(0,-2) , Z(-2,-2) is rotated to create the image triangle X’(0,0) , Y’(2,0) , Z’(2,-2).

Mrrafil [7]

Answer: The correct options are

R 0,90,

R 0,270,

(x,y) -> (-y,x)

Step-by-step explanation:

In R 0,90,

$(x,y)\rightarrow (-y,x)$

Thus, If the triangle XYZ with vertices X(0,0) , Y(0,-2) , Z(-2,-2) is rotated 90° about origin,

Then its new coordinates are,

$(0,0)\rightarrow (0,0)$

$(0,-2)\rightarrow (2,0)$

$(-2,-2)\rightarrow (-(-2),-2))$

Thus, If X'Y'Z' is the transformed triangle the coordinates of the transformed figure,

X'(0,0) , Y’(2,0) , Z’(2,-2).

⇒ First Option is correct.

In R 0,180,

$(x,y)\rightarrow (-x,-y)$

Thus, If the triangle XYZ with vertices X(0,0) , Y(0,-2) , Z(-2,-2) is rotated 90° about origin,

Then its new coordinates are,

$(0,0)\rightarrow (0,0)$

$(0,-2)\rightarrow (0,2)$

$(-2,-2)\rightarrow (2,2)$

Thus, If X'Y'Z' is the transformed triangle the coordinates of the transformed figure,

X'(0,0) , Y’(0,2) , Z’(2, 2).

⇒ Second option is incorrect.

In R 0,270,

$(x,y)\rightarrow (-y,x)$

Thus, If the triangle XYZ with vertices X(0,0) , Y(0,-2) , Z(-2,-2) is rotated 90° about origin,

Then its new coordinates are,

$(0,0)\rightarrow (0,0)$

$(0,-2)\rightarrow (2,0)$

$(-2,-2)\rightarrow (-(-2),-2))$

Thus, If X'Y'Z' is the transformed triangle the coordinates of the transformed figure,

X'(0,0) , Y’(2,0) , Z’(2,-2).

⇒ Third Option is correct.

In (x,y) -> (-y,x)

The new coordinates are,

$(0,0)\rightarrow (0,0)$

$(0,-2)\rightarrow (2,0)$

$(-2,-2)\rightarrow (-(-2),-2))$

Thus, If X'Y'Z' is the transformed triangle the coordinates of the transformed figure,

X'(0,0) , Y’(2,0) , Z’(2,-2).

⇒Fourth Option is correct.

In (x,y) -> (y,-x)

The new coordinates are,

$(0,0)\rightarrow (0,0)$

$(0,-2)\rightarrow (-2,0)$

$(-2,-2)\rightarrow (-2,-(-2))$

Thus, If X'Y'Z' is the transformed triangle the coordinates of the transformed figure,

X'(0,0) , Y’(2,0) , Z’(-2,2).

⇒Fourth Option is incorrect.

8 0

4 years ago

Read 2 more answers

How to find surface area of height 2.length 12.width 28

slamgirl [31]

416

Length times width plus height times width plus length times height add them all together you get 416

3 0

3 years ago

Read 2 more answers

Brenton’s weekly pay, P(h) , in dollars, is a function of the number of hours he works, h. He gets paid $20 per hour for the fir

iogann1982 [59]

The domain is the set of values that he may assume. It is given in the problem statement as h ≤ 60, so answer (B) is the selection of choice.

Hope this helps!

8 0

4 years ago

Read 2 more answers

In this diagram below de is parallel to xy.what is the value of y

FinnZ [79.3K]

Answer:

B. 75°

Step-by-step explanation:

When lines that are parallel are crossed by a transversal , angles in matching corners are equal and called corresponding angles

To get the value of the angle;

180°-105°= 75°.................sum of angles on a straight line

This angle corresponds to angle y because of the parallel lines DE and XY

4 0

3 years ago

Find the missing number of the unit rate 15/3 ?/1

SpyIntel [72]

Answer:

Step-by-step explanation:

LCD is 3, so you divide 3 by 3 and 15

3 0

3 years ago