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djyliett [7]
3 years ago
10

Just need help on the bottom two!!

Mathematics
1 answer:
Kaylis [27]3 years ago
7 0
For 3. the triangle with 4,4,5 is similar to the one with 8,10 because you can scale it down by 2 or because it is similar in shape
4. X=-3
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Help please in the photo
Arada [10]

Answer:

m = 40

Step-by-step explanation:

The triangle inside the circle has 2 equal sides ( the radii ) of the circle, thus

The base angles are congruent both 50°

The 3 angles on the tangent sum to 180°, so

m + 50 + 90 = 180

m + 140 = 180 ( subtract 140 from both sides )

m = 40

5 0
3 years ago
-Quiz-<br> Which equation represents a circle with a center at (-4, 9) and a diameter of 10 units?
vodka [1.7K]

Answer:

(x - 9)2 Step-by-step explanation:

7 0
3 years ago
Which postulate can be used to prove that two triangles are congruent
user100 [1]
Side-Side-Side Theorem, Side-Angle-Side, Angle-Angle-Side, Angle-Side-Angle, and Hypotenuse-Leg for right triangles. 

For example, for Side-Side-Side, if you prove all 3 sides of the triangle are congruent, then the triangle is congruent. 
3 0
3 years ago
In a place 100 soldiers had enough food for 60 days .how many soldiers leave the place so that food long last for 80 days
Tresset [83]

Answer:

48 soldiers leave the place.

Step-by-step explanation:

  • 100/60=80/x
  • 100x=4800
  • x=4800/100
  • x=48

hope it helps.

<h2>stay safe healthy and happy.</h2>
3 0
3 years ago
12 POINTS PLEASE HELP
Elina [12.6K]

Answer: Supplementary angles have a sum of 180 degrees so you would subtract 79 from 180 to determine the value of its supplement which would be 101 degrees

While complementary angles have a sum of 80 degrees. So you would subtract 59 from 80 and that leaves you with 21, so the complement angle is equal to 21 degrees

Step-by-step explanation:

8 0
4 years ago
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