Respuesta :

Answer:

The answer is A.

Step-by-step explanation:

Given that the formula of area of triangle is, A = (1/2)×b×h. Then substitute the following values into the formula :

b = 10 units

h = 4 units

A = (1/2)×10×40

= (1/2)×40

= 20 units²

The answer is option A) 20 units². To understand the question check below.

How to find the area of the triangle?

Given that the formula for the area of a triangle is, A = (1/2)×b×h. Then substitute the following values into the formula :

⇒ b = 10 units

⇒ h = 4 units

⇒ A = (1/2)×10×40

⇒  (1/2)×40

⇒ 20 units²

The area of a triangle is defined as the total region that is enclosed by the three sides of any particular triangle.

Learn more about the area of a triangle here: brainly.com/question/17335144

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