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3 years ago

SUPPOSE TD SG MD=SL What additional information is needed to prove the two triangles congruent by SAS?

Mathematics

1 answer:

Lerok [7]3 years ago

3 0

If TD = SG and MD = SL, then angle D would have to equal angle S in order to prove the triangles congruent by SAS.

(Idk if you had a typo, so I'll solve for the other one, too)
If TD = SG and MD = GL then angle D would have to equal angle G in order to prove the triangles congruent by SAS.

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Andre45 [30]

Answer:

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Step-by-step explanation:

We can interpret the question to have two equation which can be solve simultaneously

a+b=7------------(1)

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From eqn(2) make a subject of formula

a=2+b--------(3)

Substitute the (3) into eqn(1)

a+b=7------------(1)

2+b+b=7

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2b=5

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From equation (3) substitute value of b to find a

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a= 2+5/2

a=9/2

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Lana71 [14]

Answer:

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Step-by-step explanation:

To find sample size, use the following equation, where n = sample size, za/2 = the critical value, p = probability of success, q = probability of failure, and E = margin of error.

$n=\frac{(z_{\frac{\alpha }{2} })^{2} *p*q }{E^2}$

The values that are given are p = 0.84 and E = 0.03.

You can solve for the critical value which is equal to the z-score of (1 - confidence level)/2. Use the calculator function of invNorm to find the z-score. The value will given with a negative sign, but you can ignore that.

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You can also solve for q which is 1 - p. For this problem q = 1 - 0.84 = 0.16

Plug the values into the equation and solve for n.

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Round up to the next number, giving you 405.

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