28. The points A(3, 0), B(a, -2) and C(4, -1) are the vertices of triangle ABC right angled at v

Question

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So if I want you to pick which of the following represents the distance formula. Now, I do not s

Abigail Martyr · Answer

We need to find the area of the triangle that has been roughly sketched right here. Recall that

Amy Jiang · Answer

Okay, so let&#x27;s say we have two points, x1, y, 1, and x2, comma, y2, then the distance between th

Colin O&#x27;Haire · Answer

Okay, so for questions 15 through 20, we&#x27;re given this number line. And our job is to find dista

Jennifer Stoner · Answer

We&#x27;re going to use the distance formula to find the distance between the first two points. Our f

28. The points A(3, 0), B(a, -2) and C(4, -1) are the vertices of triangle ABC right angled at vertex A. Find the value of a.