Answer:
1.2 + 2.3
Step-by-step explanation:
X - 2 = - 2x + 7
3x = 9
x = 3
f(x) = g(x) when x = 3.
Step-by-step explanation:
By Exterior Angle Theorem,
81° + b = 117°.
=> b = 117° - 81° = 36°.
Answer:
C. 60
Step-by-step explanation:
From triangle ADB,
From triangle ADC,
The perimeter is the distance around the figure.
The perimeter
For the triangle, you do 1/2*b*h
Where b is the base and h is the height
So, 1/2*9*7 which is 31.5
For the rectangle, we use the formula l*w
Where l is the length and w is the width
So we do 9*12 which is 108
The w e plus both values together to get the total area of the figure
108+31.5 is 139.5 ( which is roughly 139)
So, the answer to your question is option c
