Given:
A right angle triangle ABC, right angled at C.
To find:
The measure of θ.
Solution:
In a right angle triangle,

In triangle ABC,



It can be written as


Therefore, the measure of θ is 28.369.
Answer:
Curved surface area of a cone =πrl.
3.142×8×15=377.04cm
Answer:
it's 0.7m, 77cm , 7m , 750 cm . hope I helped you .
Answer:
-1
Step-by-step explanation:
slated surface
17 × 20 = 340
2 triangle sides
2 × 8 × 15 ÷ 2 = 120
backside
8 × 20 = 160
bottom
15 × 20 = 300
sum all of it
340 + 120 + 160 + 300 = 920
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