Explanation

99-10=89

Explanation

Suppose first digit = A

Second digit = B

A + B = 30 i

A - B = 8 ii

A = 30 - B

(30-B) - B = 8

30 - 2B = 8

-2b = 8 -22

2b = 22

B= 11 

A + 11 = 30

A = 30 - 11

A = 19

A = 19 anf B = 11

A + B = 209

Explanation

Explanation

Explanation

Explanation

Note: The answer given in FPSC answer key is (c) but actual answer is (b).

The angle made by two lines is called an angle itself, and the point where the two lines meet is called the vertex.

Among the given options:

• Segment refers to a part of a line with two endpoints.
• Vertex is the correct term for the point where the two lines meet and form an angle.
• Rays refer to lines that extend indefinitely in one direction from a point.

Explanation

2+3+7=12

=12/3

=4

Explanation

A triangle has three edges

Its three sides.

It also has three vertices, which are each corner where two edges meet.

Explanation

A line has no end points, a ray has one endpoint and a line segment has two endpoints.

Explanation

The word pentagon is derived from a Greek word, pente, meaning five sides or a five-sided polygon.