Aprylcakes16 Aprylcakes16

25-09-2016
Mathematics

contestada

The height of a triangle is 2 inches less than the base. The area of the triangle is 180 in squared. What are the dimensions of the triangle

Respuesta :

jhonyy9 jhonyy9

25-09-2016

A=h*b/2

180 =(b-2)*b/2

360 = b^2-2b

b^2 -2b -360 =0

D = 4+1440 = 1444

b_1,2 = (2+/-sqrt1444)/2 = -18 and 20

base length equal 20 in

height equal 18 in

hope helped

Answer Link

Otras preguntas

write an inequality 3 times a number x, subtracted from 18 is less than −90.

What order do these numbers go in: 0.7, 85% and 4/5

Being a scholar demands the utmost __________ of sources for your work. a. availability b. scholarship c. accessibility d. reliability

(see Table 4; U.S. Department of Labor, 2009; for complete data.) Is there anything wrong with this?

Some one please help |5x+13|=-7

Water moves under the earth’s surface to fill in open spaces in rocks or soil. What is this type of water called?

Over which area was the First Punic war fought? Sicily Carthage Phoenicia Rome

The formula for the area of a triangle is A=1/2bh where B is the base and H is the height. What is the area of the triangle A)99ft^2 B)162ft^2 C)198ft^2 D)324f

Marietta is selling cheeses for the holiday fundraiser. On Monday, she sold 7/9 of the boxes of cheeses. On Tuesday she restocked her supply and sold 0.85 of th

Which artifact is most likely to have been made by American Indians of the Plains? A. gift basket B. flowerpot C. patchwork skirt D. leather bag Please help!!!!