Which shows a perfect square trinomial?

1 answer:

4 0

Both (m + n)2 and 36 are perfect squares, and 12(m + n) is twice the product of (m + n) and 6. Since the middle term is positive, the pattern is (a + b)2 = a2 + 2ab + b2. Place the x2 tile, 4 x-tiles and 4 1-tiles in the grid. Fill the outside sections of the grid with x-tiles and 1-tiles that complete the pattern.

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Sladkaya [172]

Answer:

∠b + ∠c + ∠e = 120°

Step-by-step explanation:

From the attached figure,

∠b + ∠e + ∠a = 180° (Linear pair)

Given that, ∠a = 90°

∠b + ∠e = 90° ...(1)

Also,

∠c + ∠d = 180° (Linear pair)

Given that,

∠d = 150°

∠c = 180°-150°

= 30°

Adding ∠c to both sides of the equation (1).

∠b + ∠e + ∠c= 90° + ∠c

∠b + ∠c + ∠e = 90° + 30°

= 120°

Hence, the meaure of ∠b + ∠c + ∠e is equal to 120°

5 0

3 years ago

A rectangle’s length is 5 inches more than twice its width. its area is 50 square inches. which equation can be used to find its

miss Akunina [59]

The equation of the area of the rectangle is w(2w + 5) = 50. Then the correct option is C.

<h3>What is a rectangle?</h3>

It is a polygon that has four sides. The sum of the internal angle is 360 degrees. In a rectangle, opposite sides are parallel and equal and each angle is 90 degrees. And its diagonals are also equal and intersect at the mid-point.