2 years ago

In a triangle ABC, a =3, b=4 , c =5 cm. Find the area of the triangle.

Mathematics

2 answers:

Lostsunrise [7]2 years ago

6 0

We have: a² + b² = 3² + 4² = 9 + 16 = 25 = 5² = c²

=> triangle ABC is a square triangle

=> the area of the triangle ABC is: a × b ÷ 2 = 3 × 4 ÷ 2 = 6 (cm²)

Answer: 6 cm²

Ok done. Thank to me :>

murzikaleks [220]2 years ago

4 0

Answer:

6 cm²

Step-by-step explanation:

The shorter sides are base and height.

3 x 4 / 2

= 6

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3 years ago

The sum of an integer and 3 times the next consecutive integer is -21. Find the value of the greater integer.

Anni [7]

Answer: -5

Step-by-step explanation:

i=integer

i+3(i+1)=-21

i+3i+3=-21

4i+3=-21

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