Mathematics, 07.10.2019 08:10 mhurtado143

Photo above! how do i find the area of this? it says the answer is 1027ft but whenever i do it i don't get that

Photo above! how do i find the area of this? it says the answer is 1027ft but whenever i do it i d

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Answer from: smiley29162

Total area = area of rectangle + area of triangle

area of rectangle = l * w

area of triangle= 1/2 ( b * h )

rectangle- 26 * 31 = 806

triangle- 1/2 ( 26 * 17 ) [ <-- 48 - 31 ] = 221

221 + 806 = 1027 ft squared

Answer from: eskarletche8

2 ways

cut into rectangle and triangle
2 recognize teh trapezoid

cut into rectangle and triangle
area of rectnagle=height times base

are oftrianngle=height times base times 1/2

rectangle=26 times 31=806

triangle

we have to know the base legnth
since the top is 31
and bottom is 48
the extra bit is 48-31=17
base=17
height=26
area=1/2 times 26 times 17=221

add
rectangle+traingle=806+221=1027 square units

other way
area of trapezoid=1/2(b1+b2) times height
b1=31
b2=48
height=26
A=1/2(31+48) times 26
A=1027 squaer units

Answer from: Quest

c. 1,233 miles

Answer from: Quest

Hello!

the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

why?

the root or roots of a polynomial are the values of the variable that makes the polynomial equal to 0. we can find the roots of a polynomial making the expression equal to 0 and then, isolating the variable (it it has just one variable).

for example, given the following polynomial:

$3x-6$

the root or zero of the polynomial, can be found by making the expression equal to 0, and then, isolating the variable, so, finding the root we have:

$3x-6=0$

$3x=6$

$x=\frac{6}{3}=2$

therefore, we have that the root of the polynomial is equal to 2.

we must remember that the number of roots that a polynomial can have, will depend on the degree of the polynomial, a first degree polynomial have will have one single root, a second degree polynomial (quadratic expression) may have two roots and so.

hence the correct option is:

b. a value of the variable that makes the polynomial equal to zero.

have a nice day!

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