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Andre45 [30]
3 years ago
15

2 Proofs. Don't forget to mark the

Mathematics
1 answer:
noname [10]3 years ago
8 0

Answer:

Statement #1. JK is congruent to LK, JM is congruent to LM

Reason #1. Given

Statement #2. KM=KM

Reason #2. Reflexive property of equality

Statement #3. Triangle KMJ is congruent to triangle KML

Reason #3. Side, Side, Side triangle congruency theorem.

Statement #4. <J is congruent to <L

Reason #4. Corresponding angles of congruent triangles are congruent.

Step-by-step explanation:

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otez555 [7]
The answer is A(45) = -211
3 0
3 years ago
How do you find the perimeter and area of this shape?
mixas84 [53]

 

P = 12 + 6 + 8,5 = 18 + 8,5 = 26,5 mm

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6 0
3 years ago
X^2-10x+8=0 by completing the square
OverLord2011 [107]
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3 years ago
Please help answer these questions. My teacher said they were really easy but I just don't understand. Will mark brainliest !!!
kodGreya [7K]

Answer:

1.  A = 59

2.  A = 43

Step-by-step explanation:

If we have a right triangle  we can use sin, cos and tan.

sin = opp/ hypotenuse

cos= adjacent/ hypotenuse

tan = opposite/ adjacent


For the first problem, we know the opposite and adjacent sides to angle A

tan A = opposite/ adjacent

tan A = 8.8 / 5.2

Take the inverse of each side

tan ^-1 tan A = tan ^-1 (8.8/5.2)

A = 59.42077313

To the nearest degree

A = 59 degrees


For the second problem, we know the  adjacent side and the hypotenuse to angle A

cos A = adjacent/hypotenuse

cos A = 15.3/21

Take the inverse of each side

cos ^-1 cos A = cos ^-1 (15.3/21)

A = 43.23323481

To the nearest degree

A = 43 degrees


6 0
3 years ago
What is the simplest form of 6 radical 8 plus 8 radical 2
arsen [322]

Answer:

20\sqrt{2}

Step-by-step explanation:

Using the rule of radicals

\sqrt{a} × \sqrt{b} ⇔ \sqrt{ab}

Simplify

\sqrt{8} = \sqrt{4(2)} = \sqrt{4} × \sqrt{2} = 2\sqrt{2}

Thus

6\sqrt{8} + 8\sqrt{2}

= 6(2\sqrt{2} ) + 8\sqrt{2}

= 12\sqrt{2} + 8\sqrt{2}

= 20\sqrt{2}

8 0
3 years ago
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