3 years ago

What is the measure of angle B?

Mathematics

2 answers:

QveST [7]3 years ago

6 0

Answer:

b = 60

Step-by-step explanation:

The sum of the angles of a triangle are 180

80+40+b = 180

Combine like terms

120+b =180

Subtract 120 from each side

b = 180-120

b = 60

vampirchik [111]3 years ago

6 0

Answer:

60°

Step-by-step explanation:

Recall that all triangles have an interior angle sum of 180. In other words:

$\angle A+\angle B +\angle C = 180$

Plug in the angle values we know:

$(80)+(40)+\angle B = 180\\120+\angle B =180\\\angle B = 60\textdegree$

You might be interested in

A pond 85 feet across; 1 inch = 4 feet

enot [183]

Well... all u have to do is 85 divided by 4 which equals 21.25..... unless there is another part of the question!!

3 0

4 years ago

The vertices of a right triangle are (0, 5), (5, 0), and (5, y). Find the value of y. A. 4 B. 2 C. 3 D. 5

Zepler [3.9K]

Y= D.5 __________________________________

3 0

3 years ago

A basketball-player scores a free-throw with probability 0.9. What is the probability that her first miss occurs on the 6th shot

-BARSIC- [3]

Answer:

$Pr = 0.059049$

Step-by-step explanation:

Given

$p = 0.9$ --- probability of scoring

Required

Probability that his first miss is his 6th shot

Let q represent the event that he did not score.

Using complement rule:

$q = 1 - p = 1 - 0.9 = 0.1$

The event that his first miss is his 6th is represented as:

p p p p p q ---- That he scoress the first 5 attempts

So, the probability is:

$Pr = p^5 * q$

$Pr = 0.9^5 * 0.1$

$Pr = 0.059049$

7 0

3 years ago

Which figure always has exactly four lines of reflection that map the figure onto itself?

Salsk061 [2.6K]

Answer:

number 3

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

0.75 is the square root of what value?

lina2011 [118]

0.75^2 = 0.5625.....sq rt 0.5625 = 0.75

4 0

3 years ago

Read 2 more answers

What is the measure of angle B?​

What is the measure of angle B?