strawberriibunnii
strawberriibunnii strawberriibunnii
  • 03-06-2021
  • Mathematics
contestada

Ab is tangent to circle o at a. the diagram is not drawn to scale. if ao =30 and bc = 48 what is ab?

a) 84
b) 78
c) 76
d) 72

Ab is tangent to circle o at a the diagram is not drawn to scale if ao 30 and bc 48 what is ab a 84 b 78 c 76 d 72 class=

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 08-06-2021

Answer:

91.19

Step-by-step explanation:

From the given diagram;

BO = 2 BC

BO = 2(48)

BO = 96

To get AB, we will use the pythagoras theroem;

BO² = AB² + AO²

96² = AB² + 30²

9216 = AB² + 900

AB² = 9216 - 900

AB² = 8,316

AB = √8,316

AB = 91.19

Hence the length of AB is 91.19

Answer Link

Otras preguntas

Rachel and David share 40 biscuits between them in the ratio 2:3, How many biscuits do they each get?
Describe a pattern in the sequence of numbers. Predict the next number. 1) 1, 2, 6, 24, ___ 2) 0, 3, 8, 15, 24, ___
The statement, "right angles measure 90 degrees," is an example of: A postulate A definition A theorem A conjecture
All of the following are types of lyric poetry except; A. tankas. B. ballads. C. sonnets. D. madrigals.
Perimeter of a square with an area of 81cm2
how do u find the area of a triangle
Find the length of the radius of the following circle. (x + 2)2 + y2 = 10
Add these fractions (Lowest Terms) a) 1/6 + 1/6 b) 1/4 + 3/8 c) 2/3 + 5/6 d) 9/21 + 4/7 e) 1 3/5 + 1/10 f) 1 1/4 + 11/12 g) 1 2/3 + 2/3 h) 1 5/6 + 3 2/5
Which ancient civilization is associated with the Twelve Tables, an extensive road system, and the poets Horace and Virgil?
Which expression can be used to change 75 kilometers per hour to meters per minute?