MathematicsHeron's Formula [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 1  8 of 43
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Question number: 1
» Mathematics » Heron's Formula
Question
If the altitude of an equilateral triangle is cm, its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Mathematics » Heron's Formula
Question
In a quadrilateral ABCD given that and diagonal . Its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 3
» Mathematics » Heron's Formula
Question
The area of a parallelogram whose diagonal is 13.6 cm and the perpendicular distance of this diagonal from an opposite vertex is 15 cm is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 4
» Mathematics » Heron's Formula
Question
The base of an isosceles triangle is 14 cm and its perimeter 108 cm. Then its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 5
» Mathematics » Heron's Formula
Question
Two adjacent sides of a parallelogram are 12 cm and 9 cm. One of its diagonals is 15 cm. Then the area of parallelogram is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 6
» Mathematics » Heron's Formula
Question
The base of an isosceles triangle is 24 cm and its perimeter 64 cm. Then its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 7
» Mathematics » Heron's Formula
Question
In a quadrilateral the sides are 5,12,7, 10 units and the angle between first sides is a right angle. The area of quadrilateral is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 8
» Mathematics » Heron's Formula
Question
The area of a rhombus is 35 and one of its diagonal is 5 cm. Its perimeter is
Choices
Choice (4)  Response  

a.  40 cm  
b.  29.72 cm  
c.  30 cm  
d.  7.43 cm 