Explanation

Let's find the fourth proportional.

If 8 : 4 :: 2 : x, then

8/4 = 2/x

2 = 2/x

x = 1

Explanation

An angle inscribed in a semicircle is always 90° due to the Thales' Theorem.

It is called a right angle because the angle subtended by a diameter is always right.

Explanation

A Pie Chart is ideal for showing the proportional contribution of each income source to the total income.

It visually displays how a whole is divided into parts, making comparisons easy.

Explanation

The phrase "run out of" is a common English expression meaning to have no more of something.

So, "We have run out of groceries and provisions" is grammatically and idiomatically correct.

Explanation

Inquiry-Based Science Teaching is rooted in the Constructivist approach, where students actively build their own understanding through questioning, exploring, and experimenting.

It encourages hands-on learning and critical thinking rather than passive memorization.

Explanation

Prosper means ترقی

Decline means گراوٹ

Explanation

Basically means بنیادی طور پر

Extra means اضافی یا بنیادی سے پرے

Explanation

Desperate means مایوس

Explanation

Intolerable means ناقابل برداشت

Tolerable means قابل برداشت

Explanation

Heap means ڈھیر

Pile means ڈھیر