miabarrett7116 miabarrett7116

03-12-2018
Mathematics

contestada

The dimensions of triangle A are three times the dimensions of triangle B. The area of triangle A is 189 cm2. What is the area of triangle B?

Respuesta :

tramserran tramserran

03-12-2018

Answer: 21 cm²

Step-by-step explanation:

Area of B = (b * h)/2

Area of A = (3b * 3h)/2

189 = 9(b * h)/2

÷ 9 ÷9

21 = (b * h)/2

21 = Area of B

Answer Link

Otras preguntas

What is the difference between a donkey and a mule.

pls help me answer 2.2.3 and 2.2.4 (2.2.4 needs to be converted)ill give brainstorm

this is unsmart but how do you get to the point where you can answer recent questions on brainly on a laptop? thanks sorry.

Factor completely 2x2 4x − 2. 2(x2 2x − 1) 2(x2 2) 2x(x2 2x − 1) Prime.

The purpose of PPE is to protect you from injury by creating a barrier against workplace hazards. Is this statement TRUE or FALSE?

There are 14 students in RSM class. 8 of them came to RSM Olympiad, 7 of them participated in Math Kangaroo, and 4 participated in both. How many students were

In the case of hemorrhage, the body mobilizes all these defenses except __________.

Which comparison is not correct? 8>-9 -7 >-9 10-8<-4 -2<-9

How to delete questions off brainly?

Which TWO systems of equations have exactly one solution ? 6x−3y=3 2x−y=4 y=−2x−8 y=x+1 6x−3y=12 2x−y=4 x−4y=8 3x+2y=10 y=2x+1 y=2x−2