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3 years ago

Please define the following(10 POINTS)

Mathematics

1 answer:

AleksandrR [38]3 years ago

4 0

Complementary-angles that add up to 90 degrees
Supplementary-angles that add up to 180 degrees
Linear pair-A linear pair of angles is formed when two lines intersect. Two angles are said to be linear if they are adjacent angles formed by two intersecting lines. The measure of a straight angle is 180 degrees, so a linear pair of angles must add up to 180 degrees. (You could shorten that if you’d like)
Adjacent-Two angles that have a common side and a common vertex (corner point), and don't overlap
Congruent-angles that are equal
Parallel lines-side by side lines that will never touch

I don’t have time to finish the rest but I hope this helps

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3 years ago

Ahmad’s father is 4 times as old as Ahmad. After 5 years, father will be three times as old as Ahmad. Find their present ages

Ilia_Sergeevich [38]

The present age of Ahmed and Ahmed's father is 12 and 36 respectively.

Step-by-step explanation:

Given : Ahmed's father is thrice as old as Ahmed. After 12 years, his age will be twice that of his son.

To Find : Their present age ?

Solution :

Let the Ahmed's age be 'x'.

Ahmed's father is thrice as old as Ahmed.

i.e. Ahmed's father age is '3x'

After 12 years, his age will be twice that of his son.

i.e. 3x+12 = 2(x+12)3x+12=2(x+12)

Solving the equation,

3x+12 = 2x+243x+12=2x+24

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So, Ahmed's age is 12.

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Therefore, The present age of Ahmed and Ahmed's father is 12 and 36 respectively.

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