3 years ago

Which expression has a coefficient of 2??

Mathematics

1 answer:

cupoosta [38]3 years ago

7 0

Can you give the expressions?

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3 years ago

Look at the rectangle and the square: Ada says that the length of diagonal SQ is two times the length of diagonal OM. Is Ada cor

Musya8 [376]

Answer:

No, she is wrong.

Step-by-step explanation:

A diagonal of square or rectangle is equals to hypotenuse of a triangle. So you can apply Pythagoras Theorem to solve it :

${c}^{2} = {a}^{2} + {b}^{2}$

Rectangle,

${qs}^{2} = {rs}^{2} + {qr}^{2}$

${qs}^{2} = {16}^{2} + {8}^{2} = 320$

$qs = \sqrt{320} = 17.9 \: inches$

Square,

${om}^{2} = {lo}^{2} + {lm}^{2}$

${om}^{2} = {8}^{2} + {8}^{2} = 128$

$om = \sqrt{128} = 11.3 \: inches$

Given that QS is 17.9 and OM is 11.3. So SQ is not 2 times greater than OM.

$17.9 \div 11.3 = 1.58 \: (not \: equals \: to \: 2)$

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3 years ago