class 9 Herons Formula

Using Heron's Formula, find the Area.

• 38.5 in²

• 17.5 in²

• 27.5 in²

• 13 in²

Tags

CCSS.6.G.A.1

What is the Semi-perimeter.

• 42.1

• 21.1

• 14

• 84.2

Tags

CCSS.3.MD.D.8

Use Heron's Formula to find the Area.

• 50 m²

• 48 m²

• 60 m²

• 120 m²

Tags

CCSS.6.G.A.1

The sides of a triangular plot are in the ratio of 3 : 5 : 7 and its perimeter

is 300 m. Find its area.

• 1500

• $1500\sqrt{3}$

• $1500\sqrt{5}$

• $3000\sqrt{3}$

Tags

CCSS.6.G.A.1

A park, in the shape of a quadrilateral ABCD, has

Angle C = 90º, AB = 9 m, BC = 12 m,

CD = 5 m and AD = 8 m. How much area does it occupy?

• 65.5

• 35.5

• 30

• none of these

what does s indicate in Herons formula

• perimeter

• semi perimeter

• circumference

• Don't Know

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Herons formula is used to find area of

• Triangle

• Quadrilateral

• Both A and B

• Depends on mood

Tags

CCSS.6.G.A.1

Area of an equilateral triangles is A is

•  $\frac{\sqrt{3}}{2}A^2$  

•  $\sqrt{3}A^2$  

•  $4\sqrt{3}A^2$  

•  $\frac{\sqrt{3}}{4}A^2$  

Tags

CCSS.6.G.A.1