Answer: 52.5
Step-by-step explanation: 2(3x+10)+2(x+10)=360 because all the sides of a rhombus equal 360 and alternate sides are equal
8x+20=360
-20=-20
8x/8=340/8
x=42.5
x+10. 42.5+10=52.5
D=52.5
Answer:
65 years.
Step-by-step explanation:
the end of the civil war was July 27, 1954.
90 because there are 5 time as many candies with nuts as candies without nuts and there is 18 so it will be 18×5=90
Complementary angles add up to 90 degrees.
The complement of 57 is (90 - 57) = 33 degrees.
