Question

The first and the fourth terms in a proportion are called extremes

True

 False

 Both

 None of these

16.

2 points

In a proportion if the a:b=c:d, a×d=?

a×b

a×c

b×c

15:2

17.

2 points

Find the value of unit article if the cost of of 18 oranges is 360 rupees

20 rupees

 30 rupees

 40 rupees

 50 rupees

18.

2 points

The number of radii of a circle is

 1

2

3

 infinite

19.

2 points

Diagonals are perpendicular to each other and equal in a

 Kite

 Rhombus

Square

Rectangle 

20.

2 points

-------angle is an angle which is more than180 degree and less than 360 degree

Reflex

Straight 

Obtuse 

Complete

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Answer 1

Answer:

true

Step-by-step explanation:

he first and fourth terms are called the extremes of the proportion. The second and third terms are called the means of the proportion. the terms a and d are the extremes; the terms b and c are the means