Answers:
1. V=triangle area × length
V=1/2×8×12×20
V=960in³
2. triangle area × length
Area of the triangle=1/2×4×11
A=22ft²
V=22×6
V=132ft³
3. b, volume always have cubic power (³)
4. d, same reason of question 3
12.2
((12) - (0))^2 + ((3) - (5))^2
If 2 lines intersect to farm a right angle , they are perpendicular ....... I hope that help
<span><span>
Step 1: Distribute each term of the first polynomial to every term of the
second polynomial. In this case, we need to distribute the 4x and the
–5.
</span>
<span>
<span>Step 2: Combine like terms.</span></span></span>