Mathematical Discoveries | MCQs

Explanation

If x, y, and z are in proportion, then the correct option will be x: y:: y: z.

Step-by-step explanation:

A proportion is an equation in which two ratios are set equal to each other.

If 3 numbers are in proportion to each other then their ratios should be equal to one another.

ND12_8_2023

Explanation

Omer-Khayam was born in Iran in 1048 AD.

Omer-Khayam was a poet, Mathematician & Astronomer. 

Omer-Khayam introduced modern Solar Hijri calendar, the Jalali calendar.

Omer-Khayam  was the first to develop the binomial theorem and determine binomial coefficients.

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Explanation

• The study of angles and of the angular relationships of planar and three-dimensional figures is known as trigonometry.

• Hipparchus was a Greek astronomer who lived between 190-120 B.C.

• Hipparchus is considered the father of trigonometry.