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Artyom0805 [142]
2 years ago
7

1882-9937? Please help I'm not smart and may I have a friend? ill give brainliest :)

Mathematics
1 answer:
Tems11 [23]2 years ago
3 0

Step-by-step explanation:

1882 - 9937

the easiest way to do it is to turn it around :

9937 - 1882

= 8055

then you add a subtraction sign at the back

= - 8055

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In a triangle with vertices A,B and C, if C =64° and the lengths AC= 40mm and BC= 70mm find the length AB using cosine rule
boyakko [2]

Answer:

63.6mm

Step-by-step explanation:

According to cosine rule;

AB² = BC²+AC²-2(BC)(AC)cos m<C

Substitute the given values

AB² = 70²+40²-2(70)(40)cos 64

AB² = 4900+1600-5600cos64

AB² = 6500-5600(0.4384)

AB² = 6500-2,454.87

AB² = 4,045.12

AB = √4,045.12

AB = 63.6mm

Hence the length of AB is 63.6mm

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2 years ago
Keith is trying to construct triangle ABC. Which measures will determine unique triangles
BlackZzzverrR [31]

Answer:

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Step-by-step explanation:

The measure that will determine a  unique triangle are

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unique triangles are termed unique because they can be drawn only using one way

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