Pls help im 9 yrs old i need help first to answer i give brainliest
1 answer:
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Answer:
you can use the Pythagorean theorem, half square (watch the picture) is a right isosceles triangle, and the diagonal is the hypotenuse
Step-by-step explanation:
√(14²+14²)
√(196 + 196)
√392=
19.8 cm
