What type of information do you need to be given to prove two triangles are congruent?

1 answer:

5 0

If the hypotenuse and leg of one right triangle are congruent to the corresponding parts of another right triangle, the right triangles are congruent. The "included angle" in SAS is the angle formed by the two sides of the triangle being used. The "included side" in ASA is the side between the angles being used.

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In a right triangle, CosA=0.352 and SinA=0.936 What is the approximate value of tanA?

mr_godi [17]

$\tan A=\frac{\sin A}{\cos A}$

Proof: $\sin\div\cos=\frac{o}h\div\frac{a}h=\frac{o}h\times\frac{h}a=\frac{oh}{ha}=\frac{o}a=\tan$

$\cos A=0.352,\ \sin A=0.936$

$\tan A=\frac{0.936}{0.352}$

$\boxed{\tan A=2.65\overline{90}}$ (round as needed)

6 0

3 years ago

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Please can you give me help with answers. Thanks

Margaret [11]

1) 110+30+a = 180
a = 180-140 = 40
Obtuse angled triangle

2) 50+50+C = 180
C=180-100 =80
Acute angled triangle

3) 45+45+b =180
b =180-90 = 90
Right angled triangle

4) 45+60+C = 180
C = 180-105 =75
Acute angled triangle

5) 94+47+b =180
b = 180-141=39

Obtuse angled triangle

6)81+53+a = 180
a =180-134 = 46

Acute angled triangle

7) 38+45+b =180
b = 180-83 =97
Obtuse angled triangle

8) 36+54+C =180
C =180-90 = 90

Right angled triangle.

5 0

2 years ago

Simplify to create an equivalent expression.

Olin [163]

−y−3(−3y+5)
= −y + 9y - 15
= 8y - 15

answer
d.8y-15

8 0

3 years ago

Is 13.654 rational or irrational

givi [52]

Answer:

Rational

Step-by-step explanation:

Any number that can be represented as a fraction is rational. 13.654 can be represented as the mixed number 13 and 654/1000, making it a rational number.

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3 years ago

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Need help with this. Hope someone can help

DedPeter [7]

check the picture below.

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3 years ago

What type of information do you need to be given to prove two triangles are congruent? ​

What type of information do you need to be given to prove two triangles are congruent?