Answer:
102cm²
Step-by-step explanation:
Surface Area = BH +Lp
B is the base area
H is the height of the Prism
L is the slant height
p is t perimeter of its base
B =1/2 ×3×4
B= 6cm²
H = 7cm
L = 5cm
P = 3cm+4cm+5cm
P = 12cm
Substitute
TSA = 6(7)+5(12)
TSA = 42+60
TSA = 102cm²
Hence the total surface area of the shape is 102cm²
Answer:
12 & 13
Step-by-step explanation:
trust me
Answer:
-18 = -18 It is true.
Step-by-step explanation:
-6 -1.5(4b+8) = 3(-6 -2b)
-6 -6b - 12 = -18 -6b
-6b -18 = -18 -6b
+6b +6b
-18 = -18
It is true.
Answer:
8.9 in.
Step-by-step explanation:
Area of triangle = (1/2) b. h
40 = (1/2) x*x
80 = x^2
square root (80) = x
x=> 8.944.... inch
Rounding off you get 8.9 in.
