aryanhassija24 aryanhassija24

10-12-2017
Mathematics

contestada

Given ΔABC, AB = BC = AC . Area of ΔABC = 25 sqrt3 /4 cm. Find the perimeter of ΔABC.

Respuesta :

10-12-2017

This is an equilateral triangle of height a√3/2 where a is the side length. So the area is ½a.a√3/2=a²√3/4.
So a²=25 and a=5cm. Therefore the perimeter is 3a=15cm.

Answer Link

Otras preguntas

Why is the Volga River significant?

What must you do if you multiply one number in a ratio by n?

Ben is in his final term of college, and he plans to start working as soon as he graduates. he believes it will be beneficial for his career if he accompanies h

(14x-5)-(-3x+2)A. 11x-3B. 17x-7C. 17x-3D. 11x-7

If the flowers contain 50,000 kcal of energy, about how much energy will the lizard obtain from eating the butterfly? 500 kcal 5,000 kcal 50,000 kcal 500,0

What is the degree of the polynomial? 4q^2 - 2pq + 3q^2 A.) 1 B.) 2 C.) 3 D.) 4

1. which phrase from the excerpt supports the idea that the rhythem of jazz music played an important role in kerouacs writing styles2. which of the following c

Which of the following situations involve opposite quantities combine to make 0? a. Eva has a new piggy bank. She adds 7 quarters on Wednesday and then adds an

Which of the following affects the speed of a planet's revolution? Shape of the planet Gravity of the sun Temperature of the sun Atmosphere of the planet

How does the redshift of distant galaxies best support the big bang theory? It shows that the galaxies are becoming warmer. It shows that the galaxies are beco