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3 years ago

10

3. Which pair of triangles can be proved congruent by SAS?

2 answers:

Lynna [10]3 years ago

7 0

Answer: (3) The correction option is 2. (4) The correct option is 3.

Explanation:

(3)

The congruent rule SAS states that the two triangles are congruent if the two side and its inclined angle are equal to the corresponding sides and angle of other triangle.

In option 2 the base line contains the two equal parts. A line is perpendicular to the baseline, it means it makes 90 degree angle on both sides. The perpendicular line is common in both triangles.

So, only the option second represents the pair of triangles which are congruent by SAS.

(4)

The congruent rule SSS states that the two triangles are congruent if the three sides are equal to the corresponding sides of other triangle.

In option 3, it is given that the two side of both triangle are same to the corresponding sides of the triangle. The third side is common in both triangles.

So, only option third represents the pair of triangles which are congruent by SSS.

Eddi Din [679]3 years ago

5 0

I just got this question and the answer is B. You're welcome.

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3 years ago

Which choice is equivalent to the expression below?

alekssr [168]

Answer: OPTION A

Step-by-step explanation:

We need to remember that Product of powers property, which states that:

$(a^m)(a^n)=a^{(m+n)}$

Let's check the options:

A. For $5^9*5^{\frac{9}{10}}*5^{\frac{6}{100}}*5^{\frac{9}{1000}}$ you can apply the property mentioned before. Then:

$5^{(9+\frac{9}{10}+\frac{6}{100}+\frac{9}{1000})=5^{9.969}$

(It is the equivalent expression)

B. Add the exponents:

$5^9*5^{(\frac{9}{10}+\frac{9}{10}+\frac{6}{1000})=5^{10.806}$

(It is not the equivalent expression)

C. For $5^9*5^{\frac{96}{10}}*5^{\frac{9}{100}}}$ you can apply the property mentioned before. Then:

$5^{(9+\frac{96}{10}+\frac{9}{100})=5^{18.69}$

(It is not the equivalent expression)

D. We know that $5^{9.969}=9,290,347.808$ and we maje the addition indicated in this option, we get:

$5^9+5^{\frac{9}{10}}+6^{\frac{6}{100}}=1,953,130.37$

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3 years ago

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Nesterboy [21]

Answer:

10

Step-by-step explanation:

Means back the numbers into multiples of several small numbers

Like:; 1. We take LCM of 40

Just break into multiples of small number

40= 2×2×2×5

2. We take LCM of 50

50= 5×5×2

So LCM for 100 is 2×2×5×5

after that see the pairs in the LCM like 2×2 or 3×3 or 4×4(same numbers)

Then write the the single number in place of two multipled numbers

Like:; 2×2 is written as 2 // 3×3 is written as 3

So we can write 100 into 2×2×5×5 and then after selecting pairs (2×2)×(5×5)

write pairs in single number 2×5

And so we get 2×5=10

So we find root of 100 that is 10

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Answer:

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