Answer:
equals 800
Step-by-step explanation:
10 x 10 x 8
you would multiply
The perimeter of equilateral triangle DEF is 24 cm.
<h3>
Triangle</h3>
A triangle is a polygon with three sides and three angles. Types of triangles are<em> equilateral, isosceles, obtuse, scalene</em>.
Given that triangle ABC is equilateral, also triangle DEF is equilateral.
DE = DF = EF = 10 - 1 - 1 = 8 cm
Perimeter of DEF = 8 + 8 + 8 = 24 cm
The perimeter of equilateral triangle DEF is 24 cm.
Find out more on Triangle at: brainly.com/question/24382052
1st problem:
4(c-3)=4c+8
4c-12=4c+8
4c=4c+20
0=20
The answer is D) No Solution
2nd problem:
3(z+1)+4(z-3)=5
3z+3+4z-12=5
7z-9=5
7z=14
z=2
The answer is D) z=2