What is the value of x in this triangle?
1 answer:
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Subtract 180 - 34 = 146
You know ∠BPD adds up to 146°
Since bisects ∠BPD, you know that ∠BPC and ∠CPD are equal to each other.
Divide 146 by 2 = 73
m∠CPD = 73°
Answer:
31.5 cm²
Step-by-step explanation:
Calculate area of a triangle with this formula:
Area = base * height
Substitute in known values
Area = 7 * 9
Multiply 7 by 1/2
Area = 3.5 * 9
Multiply
Area = 31.5 cm²
Hope this helps :)