All categories

3 years ago

ILIO

Mathematics

1 answer:

iris [78.8K]3 years ago

3 0

Answer:

a. sine

Step-by-step explanation:

As it can be seen from the figure, triangle ABC is the right-angled triangle with Angle C is equal to 90 degree.

In a right-angled triangle, there is a formula as following:

+) sine (an acute angle) = (length of its opposite side)/ hypotenuse

In the figure, angle B and length of the hypotenuse are given.

As x is the length of AC and AC is the opposite side to angle B

=> So that we can use sine to find x

You might be interested in

13 is 5% of what number?

AlekseyPX

The answer to your question is 260

4 0

3 years ago

Read 2 more answers

What is the measure of minor arc BD?

Vaselesa [24]

Answer:

$minor\ arc\ BD=100^o$

Step-by-step explanation:

The picture of the question in the attached figure

we know that

A circumscribed angle is the angle made by two intersecting tangent lines to a circle

In this problem

BC and CD are tangents to the circle

BC=CD ----> by the Two Tangent Theorem

That means

Triangle ABC and Triangle ADC are congruent

$m\angle BAC=m\angle DAC$

Find the measure of angle BAC

In the right triangle ABC

$m\angle BAC+m\angle BCA=90^o$

substitute given value

$m\angle BAC+40^o=90^o$

$m\angle BAC=90^o-40^o=50^o$

Find the measure of angle BAD

$m\angle BAD=2m\angle BAC$

$m\angle BAD=2(50^o)=100^o$

Find the measure of minor arc BD

we know that

$minor\ arc\ BD=m\angle BAD$ -----> by central angle

therefore

$minor\ arc\ BD=100^o$

8 0

3 years ago

Read 2 more answers

Plz help fast :( only answer if you know

masha68 [24]

Answer:

50 i believe

Step-by-step explanation:

6 0

3 years ago

Passing through 1,-4 and -2,5

Nataly_w [17]

Answer:

If you are looking for the slope-intercept equation, it's y=−3x−1. Hope you have a great rest of the day and stay safe, be kind, and go beyond Plus Ultra!

4 0

3 years ago

Is (2, 1) a solution of y = 3x - 5

Aleks [24]

Yes 2,1 is a solution of this problem

8 0

3 years ago