darryealtate1 darryealtate1
  • 01-05-2018
  • Mathematics
contestada

a triangle with a base of 6cm and a height of 8cm is similar to a triangle with base 21cm. What is the height of the second triangle

Respuesta :

Supernova
Supernova Supernova
  • 01-05-2018
Make a proportion.

Do base over height; [tex] \frac{base}{height}[/tex].

[tex] \frac{6}{8} = \frac{21}{h} [/tex]
h is the height of the second triangle. Solve for h.

Cross multiply.
[tex] \frac{6}{8} = \frac{21}{h} [/tex] 
6h = 168
h = 28

The height of the second triangle is 28 cm.
Answer Link

Otras preguntas

write the equation of the graph in slope intercept form​
Can someone please help me
use factoring to solve quadratic equation. Check by substitution or by a graphing utility.4x^2=19x+30​
PLEASE HELP WHOEVER ANSWERS CORRECTLY GETS BRAINLIEST
use division to rename each fraction given below 12/20
Acetic acid has the molecular formula CH3COOH. How many atoms of oxygen are there in 60 grams of acetic acid?​
elaborate the importance of understanding the conditions of a bursary acceptance . in your response, also indicate how this can influence the future of your ca
Point A(12, 0) is on the x-axis and point B(0,−5) is on the y-axis. Find the distance between points A and B
Hi guys please help me with this! exlapin how you got the answer instead of just putting down a random letter for points, thanks! :) ​
What is the topic of this paragraph? health and safety in Elizabethan England health and safety in modern England symptoms of the plague symptoms of infectious