JoJoRay121 JoJoRay121

30-07-2019
Mathematics

contestada

Find the area of the triangle with a = 12.9, b = 12.4, and c = 17.1. Round to the nearest tenth.

Question 15 options:

80.1 units2

79.1 units2

79.7 units2

82.7 units2

Respuesta :

lilgustav lilgustav

30-07-2019

Answer:

79.7 units2

Step-by-step explanation:

You can find the area by first finding s, which is a+b+c/ 2. Then to find the area you use [tex]\sqrt s(s-a)x (s-b) x (s-c)[/tex]

Answer Link

shammoutyosef29 shammoutyosef29

30-07-2019

79.7 units using the area formula

Answer Link

Otras preguntas

The earth has fewer meteorite impacts because_____. of the earth's atmosphere liquid water began to form the thicker atmosphere blocked the Sun's rays volcanic

Lamarck proposed two ideas to explain A. how organisms change through time. B. the principles of geology. C. the age of the Earth. D. the slow movement of the E

If a rocky island appeared out of the water from volcanic activity, what type of organism would most likely live there first? Select one: a. Pioneer trees b. Li

The earth’s early atmosphere did not contain oxygen. This changed dramatically once the early cells underwent photosynthesis. Explain why photosynthesis could h

If a population is in Hardy–Weinberg equilibrium, when is the number of heterozygotes at its most? when the frequency of dominant alleles is more than the frequ

The price of a tent was decreased by 15% and sold for$76.49. What was the original price of the tent in dollars.

When does a scientist create the conclusion? A) Before observing the data B) After defining the hypothesis C) While checking the data for accuracy D) While comp

If the outcome of the Civil War had been different, how would that most likely have affected China?

Which of the following describes work? Energy acts on an object. Force acts on an object. Force acts on an object and causes a displacement of that object. Fric

Explain why visible structures, such as fins, beaks, and tails, look so different on different organisms.