The tin game's surface area 177 inch².
Step-by-step explanation:
Step 1:
To calculate the triangular prism's surface area, we calculate the areas of all the 5 sides.
We divide the prism into 2 triangles and 3 rectangles, find the area individually and then sum them all up in order to determine the entire triangular prism's area.
Step 2:
There are two triangles with base lengths of 10 inches and heights of 8.7 inches. To calculate a triangle's area we multiply with the product of the base length and it's height.
Area of 1 triangle = inch².
Area of both triangles = Area of 1 triangle × 2 = = 87 inch².
Step 3:
There are three rectangles with a common length of 10 inches and a width of 3 inches.
Any rectangle's area is given by multiplying the rectangle's length with its width.
Area of the 1 rectangle = inch².
Area of 3 rectangles = inch².
Step 4:
The area of the entire triangular prism = inch².
Answer:
20
Step-by-step explanation:
The discriminant of a quadratic is the expression inside the radical of the quadratic formula.
b^2-4(ac)
Substitute in the values of a
, b
, and c
.
(-2)^2-4(1*-4)
Elevate the result to find the discriminant.
4+16
=20
Answer:
The acute interior angles of a right triangle are complementary.
Step-by-step explanation:
that if an acute angle and the obtuse angle is added, its sum is 180 degrees. ⟹ (5θ + 4°) + (θ – 2°) + (3θ + 7°) = 180°. A supplementary angle can be composed of one a cute angle and another obtuse angle. Thanks 0. y = 180 -x. range of x = [1º 89º] then range of y is [91º 179º] so this proves that always the supplementary to acute angle is always obtuse.
I hope this helped have a good rest of your day
Answer:-8x-12
Step-by-step explanation: multiply -4 by 2x which gives you -4x then multiply -4 by 3 to get -12