Answer:
lol
Step-by-step explanation:
need points
Answer:
A = 78.5 cm²
Step-by-step explanation:
the area (A) of the circle is calculated as
A = πr² ( r is the radius )
here diameter = 10 cm , then r = 10 cm ÷ 2 = 5 cm , so
A = π × 5² = 25π ≈ 78.5 cm² ( to the nearest tenth )
Answer:
122.5 cm²
Step-by-step explanation:
a = 21cm
b = 14cm
h = 7cm
Area of given figure(trapezium) = 
= 21 + 14/ 2 * 7
= 35/2 * 7
= 17.5 * 7
= 122.5 cm²
Answer:
88
Step-by-step explanation:
180 = (56+36)+x
180 - 92 = x
x = 88
Answer:
40 or 
Step-by-step explanation:
