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diamong [38]
3 years ago
7

Square ABCD has a diagonal of 8 inches long. How many square inches is the area of the shape?

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
4 0
Area A of a square with side length a:  A = a².

Pythagoras theorem: a² + b² = c² 

2*a² = 8²

A = 8²/2

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Need help with this math, learnt this today still very confused.
seraphim [82]
The answer for 4 is 17.5 I’m pretty sure
6 0
2 years ago
WILL MARK BRAINLYIST
Leni [432]

Answer:

a= 158

b=22

Step-by-step explanation:

First we have to find b in order to find a.

To find b we need to add up the two angles we know the value of and subtract it from 180.

90+68= 158

180-158=22

We know b is 22 because the sum of all angles in a triangle is always 180.

Now that we have b we can find a.

we know that a+b=180 so all we have to do is subtract 22 from 180 to get 158.

6 0
3 years ago
Read 2 more answers
Plz help <br><br> (32^-1/2)^-2/5
Naddik [55]

Answer:

819.2

Step-by-step explanation:

I searched it up on Google sry just needed the points lol

7 0
3 years ago
Divide p(x) = x4 + 6x3 + 7x2 − 6x − 8 by x + 4 and by x − 3 to find the remainder in each case. Make sure to use the remainder t
BARSIC [14]

The remainder theorem says that dividing a polynomial p(x) by x-c leaves a remainder of p(c). Here, c=-4, then c=3.

p(-4)=0

p(3)=280

5 0
3 years ago
The longest fingernails ever recorded were 8.650 meters. How long were the fingernails in a feet and inches? ​
Oksana_A [137]

Answer: 28 feet and 4.5 inches

8 meters = 26.24...

.650 meters = 25 inches.

25 inches = 2 feet 1 inch

28 and 4.5 inches is your answer.

4 0
3 years ago
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