△MNO ~△DEF. Identify the perimeter and area of △MNO to the nearest tenth. PLEASE HELP!!!

Mathematics

1 answer:

max2010maxim [7]2 years ago

7 0

Answer: P =38.7 in, A=63.7in^2

Step-by-step explanation: start by using the formula for area of a triangle: A =bh/2 and plug in values given for the larger triangle to find the height. 115=9h/2,. 230 =9h h= 25.556

Subtract from perimeter to get an estimate of the third side: 62-34.556=27.45

Realize now that the drawing is not to scale!

Use the dimensions of the larger triangle to and the proportion 6.7/9 = smaller / larger to find other dimensions of the smaller triangle. Add the sides to get perimeter. Multiply bh/2 to get the Area. Choose the answer that is closest to your calculations as the numbers are estimated. We cannot assume that this is a right triangle.

You might be interested in

What is the 12th term of the sequence -2,-4,-6,...........-100?

Margaret [11]

Answer:

-24

Step-by-step explanation:

You are just counting by two's.

7 0

1 year ago

Read 2 more answers

Express your answer as a monomial... (6a^2b)(-7a^4b^7)

Arte-miy333 [17]

I hope this helps you

6. (-7).a^2+4.b^1+7

-42.a^6.b^8

3 0

2 years ago

Of the five quadratics listed below, four of them have two distinct roots. The fifth quadratic has a repeated root. Find the val

musickatia [10]

Answer: 3/5

Step-by-step explanation: The fourth quadratic in the list is the square of a binomial:

25x^2 - 30x + 9 = (5x - 3)^2

Therefore, the repeated root of this quadratic is the solution to 5x - 3=0, which is 3/5

6 0

3 years ago

Please help me with this

horrorfan [7]

Answer:

$\dfrac{4000\pi}{3}$ ft³

Step-by-step explanation:

First, let's figure out how to get the volume of a sphere from its surface area. If r is the radius of our sphere, then

The formula for a sphere's surface area is $A = 4\pi r^2$

The formula for a sphere's volume is $V=\frac{4}{3}\pi r^3$

So to get from area to volume, we have to divide the area by 3 and then multiply it by r. Mathematically:

$V=\frac{A}{3}r$

Before we solve for V though, we need to find the radius of our sphere. Thankfully, we're given the surface area - $400\pi$ ft² - so we can use the area formula to find that radius: