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kogti [31]
3 years ago
12

Someone please please please pleaseeeeee helppp meeee

Mathematics
2 answers:
Harrizon [31]3 years ago
5 0
10^2 + 7^2 = c^2
100 + 49 = c^2
149 = c^2
Square root of 149 = square root of c^2 ( cancels out the ^2)
C= square root of 149
WITCHER [35]3 years ago
3 0
1. 12.2
2. 8.9
3. 21.7
4. 13.9

The formula is a2 + b2 =c2.

You plug in the numbers and solve. C is always the hypotenuse of the triangle. You can use the legs as either a or b.

1.
10^2 + 7^2 =C^2
100 + 49 = C^2
149 = C^2
Then square root both sides to get 12.20.

2.
19 ^2 + b^2 = 21 ^2
361 + b^2 = 441

Subtract 361 from both sides

b ^2 = 80
Square root both sides
b=8.94

3.
16 ^2 + b ^2 = 27 ^2
256 + b ^2 = 729

Subtract 256 from both sides

b ^2 = 473
Square root both sides
b=21.74

4.
5.3 ^2+ 12.8 ^2 = c ^2
28.09 + 163.84 = c ^2
191.93=c ^2
Square root both sides to get
C=13.85
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