Answer:
This is an equilateral triangle so it must also be equiangular. A triangle must have 180 degrees and has three angles so 180/3 = 60. Each angle is 60 degrees.
Step-by-step explanation:
To find the answer, you must first turn the fractions into decimals. 4 ÷ 5 = 0.8 ; 1 ÷ 2 = 0.5 ; 1 ÷ 10 = 0.1. Then you must subtract 0.5 from 0.8. Then add 0.1 to 0.3 .
Answer:
Step-by-step explanation:
A = l*w
13.5 * 10.67 = 144.045 or 144
Hope that helps!
J=2l
j+l=240
sub 2l for j
2l+l=240
3l=240
divide both sides by 3
l=80
sub
j=2l
j=2(80)
j=160
jane does 160 envelopes
