18:20
Multiply each side by 2
Area equals 86.7 cm squared
Answer:
the answer is G 6.75 or 6 3/4
Step-by-step explanation:
Answer:
5
Step-by-step explanation:
4 + 7 + 5 + 4 + 8 + 2 = 30
30 ÷ 6 = 5
The sum of angles of a triangle equals the straight angle (180°), therefore:
3x + 12x + 1 + 16x - 7 = 180
31x-6=180
31x = 180 + 6
31x = 186
x = 186/31
x = 6
Then, the angles are:
3(6) = 18°
16*6 - 7 = 89°
12(6) +1 = 73°