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Soloha48 [4]
3 years ago
14

If PQ and RS intersect to form four right angles which statement is true

Mathematics
2 answers:
Rus_ich [418]3 years ago
7 0
Given that PQ and RS intersect to form four right angles, then they form an angle of 90 degrees, this implies that:
if the meet at point O, 
then;
∠POR=∠POS=∠QOS=∠ROQ=90°
Therefore the correct statement is:
PQ is perpendicular to RS
that is to mean:
PQ⊥RS
The answer is C.
Aliun [14]3 years ago
3 0

Answer:

Given: PQ and RS intersect to form four right angles.

Option C is correct.i.e., PQ ⊥ RS

Because Perpendicular means a line intersecting another at right angles and making 4 right angles between them. Here, also PQ intersect with RS at right angles and makes 4 right angle

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PLEASE HELP ME WITH THIS THANKS
kotykmax [81]

Answer:

SA = 1244.64 square centimeters

Step-by-step explanation:

From the attached figure

The formula of the surface area of the prism is SA = 2B + PH, where

  • B is the area of its base
  • P is the perimeter of its base
  • H is the distance between its bases

The base of the prism is a regular hexagon with side 8 cm

If you join each vertex of the hexagon with its center you will form 6 congruent triangles with base 8 cm and height 6.93 cm

The area of the hexagon = 6 × area of a triangle

∵ The base of the triangle = 8 cm

∵ Its height = 6.93 cm

- The formula of the area of a triangle is A = \frac{1}{2} × base × height

∴ Area of the triangle = \frac{1}{2} × 8 × 6.93 = 27.72 cm²

- Lets find the area of the hexagon

∴ The area of the hexagon = 6 × 27 .72 = 166.32 cm²

∴ B = 166.32 cm²

The formula of the perimeter of the regular hexagon is P = 6 × s, where s is the length of its side

∵ The side of the hexagon is 8 cm

∴ P = 6 × 8

∴ P = 48 cm

∵ The distance between the two bases is 19 cm

∴ H = 19 cm

Substitute the values of B, P and H in the formula of the surface area above

∵ SA = 2(166.32) + (48)(19)

∴ SA = 332.64 + 912

∴ SA = 1244.64 square centimeters

7 0
3 years ago
Help mark you as brainly
Greeley [361]

Answer:

5

Step-by-step explanation:

5 0
3 years ago
Lauren took 12 hours to read a 360 page book. At this rate, how long will it take her to read a 1200 page book?
Sliva [168]

Answer:

About 48 hours or 2 days.

Step-by-step explanation:

360 + 360 = 720 + 360 = 1080 + 360 = 1440

12x4=48

4 0
3 years ago
I need helps<br> can you simply this please :)
Gwar [14]

Answer:

64-18+2

Hope this helps...

6 0
3 years ago
I don’t understand the equation
ankoles [38]

you need to find to find the value of x and y.

2x>(-15-5y)

x>(-15-5y)/2

now put this in to other equation and solve for y and then put the y value in and find x.

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