Answer:
1. 4(10+8) 40+32=72
2. 5(15*3-2) 5(45-2) 225-10=215
Step-by-step explanation:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
Angle A = 90°
Angle B = 45°
According to the angle sum property
Angle A + Angle B + Angle C = 180°
90° + 45° + Angle C = 180°
Angle C = 45°
As the two angles are equal so the triangle is right angle isosceles triangle.
Answer:
2r - 15
Step-by-step explanation:
product of 2 and r is 2r and then minus by 15. im sorry if this is wrong haha
Step-by-step explanation:
at first solve first triangle with Pythagorean solving witch it c²=a²+b²
you have to change a bit so it will be c²-b²=a²
you start with 8 and 10 triangle and then you get line which is in the middle and yo udo just the same with triangle 8 and the solved side and you get x in the second triangle you have to use c²-a²=b²
