Explanation

Transitional words link ideas, sentences, and paragraphs smoothly, making writing coherent.

Examples include "however," "therefore," "in addition," and "moreover."

Explanation

The total surface area (TSA) of a cylinder is given by:

TSA = 2πr(h + r)

Given:

h = 12.4 cm

r = 2.1 cm

TSA = 2 * π * 2.1 * (12.4 + 2.1)

= 2 * 3.14159 * 2.1 * 14.5

≈ 2 * 3.14159 * 30.45

≈ 191.226

Explanation

An angle in a segment less than a semicircle is always less than a right angle.

A right angle is exactly 90°, but angles in smaller segments are always smaller than 90°.

Explanation

The sentence expresses a strong emotion or feeling — in this case, love or admiration.

Sentences showing emotions and ending with an exclamation mark are exclamatory.

Explanation

Whereas is used to contrast two ideas or qualities in one sentence.

It correctly shows the contrast between "she is funny" and "he is boring."

Explanation

Possessive adjective shows ownership or possession. In this case, "his" indicates that the paintings belong to him.

A personal pronoun refers to a person or thing (like he, she, they).

A demonstrative pronoun refers to something specific (like this, that).

Explanation

اسم معرفہ وہ اسم ہوتا ہے جو کسی خاص چیز، شخص یا جگہ کی پہچان کرائے۔

قرآن مجید ایک خاص اور معروف کتاب ہے، اس لیے یہ اسم معرفہ ہے۔

باقی الفاظ عام ہیں، یعنی اسم نکرہ۔

Explanation

Gears work on the principle of transmitting rotational force from one gear to another.

This helps in changing the speed, direction, or torque in a mechanical system.

Explanation

The traveler covers:

First journey: x km

Second journey: y km

Third journey: x km

Total distance = x + y + x = 2x + y

Explanation

Formal behavior is characterized by balance, order, and predictability, aligning with the concept of symmetry (structured and uniform actions).