Answer:
The area of a triangle is: A = 23.2 cm²
Step-by-step explanation:
Given
a = 10 cm
b = 9 cm
The angle ∠C = 31°
To determine
Area of the triangle
Using the formula to determine the area of the triangle
Area = 1/2bc sin C
substituting a = 10, b = 9, and m∠C = 31°
Area = 1/2 × 9 × 10 × sin 31°
Area = 1/2(90) sin 31°
Area = 45 × sin 31°
Area = 23.2 cm²
Therefore, the area of a triangle is: A = 23.2 cm²
Answer:
Step-by-step explanation:
Given
See attachment
Required
Length of NP
First, calculate the value of x
So:
Collect like terms
Solve for x
To solve for NP, we consider right triangle
Where
Using Pythagoras theorem, we have:
Collect like terms
Take square roots
First you had to used their apply rule.
Then you subtract by ten from both sides of equation form.
And finally, simplify by equation.
Final answer:
Hope this helps!
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-Charlie