1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
kozerog [31]
4 years ago
5

AB is tangent to C. I need to find the value of r.

Mathematics
1 answer:
serious [3.7K]4 years ago
5 0
Tangent always meets radius at 90° angle.

Angle ABC = 90° so Pythagoras' theorem applies.

r² + 4² = (r+2)²
r² + 16 = r² + 4r + 4
12 = 4r
r = 3


You might be interested in
Help help help math math
Salsk061 [2.6K]

Answer:

V = 4000 ft³

Step-by-step explanation:

if diameter is 20 then radius is half that, or 10

use formula:

V = 4/3(3)(10)³

V = 4(10)³

V = 4(1000)

V = 4000 ft³

7 0
3 years ago
Hello can you answer these?
Elenna [48]

Answer:

The first one is C

Step-by-step explanation:

The ramp is equal to 180

180-6 = 174

3 0
3 years ago
Irene is N years old. If Tom is twice as old, which of the following algebraic statements shows h
aleksley [76]

Answer:

1. 2n

Step-by-step explanation:

5 0
3 years ago
In the table, hoe many cups of flour would you need to make 90 cookies? Graph the relationship below
-Dominant- [34]
Not sure what we need to do for this question, as it appears that you have already completed it, but looking over your answer, the graphed relationship looks correct! And it would take 3 cups of flour to make 90 cookies, as per the table.
3 0
3 years ago
How do I do this Ill give brainly
RoseWind [281]

Answer:

16%

Step-by-step explanation:

so you already know 35% like both and 17% like apples and 32% like neither

add those and get 84. we know that the percent is over 100 . So far you have 84% meaning there is only 16% left . Therefore 16% like bananas

7 0
3 years ago
Other questions:
  • Each exterior angle of an equilateral triangle has which measure?
    6·2 answers
  • Rigina purchased 1.75 pounds of turkey breast from her local deli 5.99 per pound .To the nearest cent how much did she spend in
    5·1 answer
  • Peter walked 10m from X to Y on bearing 020° and then he turned and walked 20m to Z with bearing 140° of Z from Y. Find the dist
    14·1 answer
  • Plz write it for me how u got it ❤️On paper then send it to me
    7·1 answer
  • Factor completely 5x2 − 5x − 100.
    12·1 answer
  • 20 divided by 4 - 5+12
    15·2 answers
  • Can someone help me from one two four please
    10·2 answers
  • Hello any help would be appreciated ❤ Thank you ❤
    6·2 answers
  • What is 10x19-5+8=??
    6·2 answers
  • Brainliest if corerct
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!