3. The two tangents to the incircle of a right-angled triangle ABC that are perpendicular to the hypotenuse AB intersect the hypotenuse a P and Q. Find angle PCQ. 相关知识点: 试题来源: 解析 Solution : Let I be the incenter of triangle ABC , Then ∠ CBI=∠ABI . Let the extension ...
To find the area of a circle inside a right angled triangle, we have the formula to find the radius of the right angled triangle,r = ( P + B – H ) / 2. Given the P, B and H are the perpendicular, base and hypotenuse respectively of a right angled triangle. where π = 22 /...
Theincentermay be equivalently defined as the point where the internal angle bisectors of the triangle cross, as the point equidistant from the triangle's sides, as the junction point of the medial axis and innermost point of the grassfire transform of the triangle, and as the center point of...
In an acute angle triange ABC, a semicircle with radiusrais constructed with its base on BC and tangent to the other two sidesrbandrcare defined similarly. If r is the radius of the incircle of triangle ABC then prove that2r=1ra+1rb+1rc ...
In geometry, the incircle or inscribed circle of a triangle is the largest circle contained in the triangle; it touches the three sides. The center of the
Approach: Formula for calculating the inradius of a right angled triangle can be given as r = ( P + B – H ) / 2. And we know that the area of a circle is PI