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postnew [5]
4 years ago
7

Help me with this problem plss

Mathematics
2 answers:
Ahat [919]4 years ago
6 0

Answer:

52

Step-by-step explanation:

you do 8*13= 104 then you do divide by 2 because its a triangle and it equals to 52

Solnce55 [7]4 years ago
4 0

Answer:

x = 10 (10.2 or 10.25)

Step-by-step explanation:

To find the length of the missing side, use the pythagorean theorem. Substitute x and 8 for a and b and 13 for c.

a^2 + b^2 = c^2

(x)^2 + (8)^2 = (13)^2

Evaluate the exponents.

x^2 + 64 = 169

Subtract 64 from both sides.

x^2 = 105

Square root both sides.

x = 10.2469

Round this to the nearest whole number (I'm assuming).

x = 10 (10.2 if rounded to nearest tenth; 10.25 if rounded to the nearest hundredth)

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