sabamuhammad107 sabamuhammad107

04-01-2021
Mathematics

contestada

Find the semi perimeter of a triangle with sides 9cm 12 cm and 30 cm

Respuesta :

Аноним Аноним

04-01-2021

Answer:

25.5 cm

Step-by-step explanation:

[tex]s = \frac{a + b + c}{2} [/tex]

[tex] = \frac{9 + 12 + 30}{2}cm \\ = \frac{51}{2}cm \\ 25.5cm[/tex]

Answer Link

Otras preguntas

At a high school, students can choose between three art electives, four history electives, and five computer electives. Each student can choose two electives.

Decide whether the following rates are equivalent. 12 pages in 20 minutes or 20 pages in 32 minutes

Character Traits for Burris Ewell in To Kill A Mockingbird?

Because of a lacking of chlorine, the school had to close the swimming pool Which word means the same as lackinh and completely replaces it in the sentence?

Solve for y. x + r = yt

Eya is 5 years younger than 3 times bills age. If eya is 28 years old, how old is bill? Write and solve an equation to answer the question

"Hola. Me llamo Maria. Estudio en el Colegio Cervantes. Me gusta la clase de ciencias porque es facil. No me gusta la clase de espanol porque es dificil. Los pr

the length of a model car is 1/20 of the length of the actual car. If the model is 8.7 in. long, how long is the actual car?

3 reaons that japan closdedits doors closed to the outside world

How do root hairs help roots absorb water?