3 years ago

Given the triangle below, what is the length of the third side, rounded to the nearest whole number?

Mathematics

1 answer:

Leno4ka [110]3 years ago

7 0

Answer:

Step-by-step explanation:

You need the Law of Cosines for this, namely:

$x^2=21^2+14^2-2(21)(14)cos58$ where x is the missing side.

$x^2=441+196-311.5925$ and

$x^2=325.4075$ so

x = 18.0 or just 18

You might be interested in

Greg drew a scale drawing of a house. The hall closet is 2 inches wide in the drawing. The actual closet is 6 feet wide. What is

Vlad [161]

The drawing's scale factor is
Actual Dimensions:Drawing Measurements
= 36:1

4 0

4 years ago

luis makes a 4% commision on his sales in a sporting goods store. For a $70 purchase, how much commision does Luis earn?

Fiesta28 [93]

He made $2.80 because if you multiply 70 by .04 it’s 2.8

4 0

3 years ago

Proportions, assist me please!

Anit [1.1K]

Step-by-step explanation:

$w = \frac{1}{2} {x}^{2} y \\ (2)w = \frac{1}{2} {x}^{2} y(2) \\ 2w = {x}^{2} y \\ \frac{2w}{ {x}^{2} } = \frac{{x}^{2} y}{ {x}^{2} } \\ \frac{2w}{ {x}^{2} } = y$

<h3>Answer:</h3>

$y = \frac{2x}{ {x}^{2} } \\$

6 0

3 years ago

The circumference of a circle is 25.12 yards. What is the radius of the circle?

ANEK [815]

The circumference is pi times diameter, so put 25.12 over pi to get the diameter. That would be 8. Then divide by 2 to get the radius. That would be 4

6 0

3 years ago

A card is drawn from a standard 52-card deck. What is the probability that the card is a red 8, given that the card is an 8?

crimeas [40]

<span>probability that the card is a red 8
=
2 out of 52 or 1 out of 26

hope it helps</span>

8 0

3 years ago

Read 2 more answers