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True [87]
2 years ago
12

Can someone help me on this pls? It’s urgent, so ASAP (it’s geometry)

Mathematics
1 answer:
SashulF [63]2 years ago
7 0

<u>Question 2</u>

1) \overline{PR} \perp \overline{QS}, \overline{PQ} \cong \overline{PS} (given)

2) \overline{PR} \cong \overline{PR} (reflexive property)

3) \angle PRQ and \angle PRS are right angles (perpendicular lines form right angles)

4) \triangle PRQ and \triangle PRS are right triangles (a triangle with a right angle is a right triangle)

5) \triangle PRQ \cong \triangle PRS (HL)

Question 3

1) \angle C is a right angle, \overline{AC} \cong \overline{AE}, \overline{DE} \perp \overline{AB} (given)

2) \angle DEA is a right angle (perpendicular lines form right angles)

3) \triangle ACD and \triangle DAE are right triangles (a triangle with a right triangle is a right angle)

4) \overline{AD} \cong \overline{AD} (reflexive property)

5) \triangle ACD \cong \triangle AED (HL)

6) \angle CAD \cong \angle DAE (CPCTC)

7) \overline{AD} bisects \angle BAC (if a segment splits an angle into two congruent parts, it is an angle bisector)

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3 years ago
Suppose that there are 25 students in a class, each either a freshman, a sophomore, or a junior. How many students must be in th
Yakvenalex [24]

Answer:

at least 9 students in each cohort.

Step-by-step explanation:

Given that :

In a class, there are 25 students and each of them is either a sophomore, a freshman or a junior. We have to determine the number students in the same cohort.

Let us suppose there are equal number of students in each of the cohort.

Now let us assume that the number of the students in each cohort be 8, i.e. each as a freshman, a junior or a sophomore. Therefore, the total number in the all the cohorts will be 24 students only.

Thus, we can say that there are at least 9 freshman, at least 9 sophomore or at least 9 junior in each of the cohort.

8 0
3 years ago
In triangle ABC angle "A" equals 92° and "C" equals 24°. Whats the exterior angle of "B"?
garik1379 [7]
Hey there! :D

All angles in a triangle equal 180 degrees. An exterior angle is supplementary to the interior angle next to it. (also equal to 180 degrees) 

92+24+<B= 180

116+<B= 180

Subtract 116 on both sides. 

<B= 64

So, 

180-64= 116 

The exterior angle of <B is equal to 116 degrees. 

I hope this helps!
~kaikers
6 0
3 years ago
Georgia borrow $13,500 to buy a car she got a loan for a 9% interest in it take her 3 years to pay back to loan how much interes
boyakko [2]

Answer:

3645

Step-by-step explanation:

13,500*0.09=1215

1215*3=3645

4 0
3 years ago
What is the standard form of the quadratic equation y=−1/2(x+5)^2−10?
mr Goodwill [35]

Answer:

  y = -1/2x^2 -5x -45/2

Step-by-step explanation:

Multiply it out and collect terms.

  y = -1/2(x^2 +10x +25) -10 . . . . . expand the square

  y = -1/2x^2 -5x -25/2 -20/2 . . . eliminate parentheses

  y = -1/2x^2 -5x -45/2 . . . . . . . . collect terms

3 0
4 years ago
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